Remove pipe_* macros

src/base32/base32.rs

@@ -13,11 +13,11 @@ extern crate uucore;
 use uucore::encoding::{Data, Format, wrap_print};
 
 use std::fs::File;
-use std::io::{BufReader, Read, stdin, Write};
+use std::io::{BufReader, Read, stdin};
 use std::path::Path;
 
-static SYNTAX: &'static str = "[OPTION]... [FILE]"; 
+static SYNTAX: &'static str = "[OPTION]... [FILE]";
-static SUMMARY: &'static str = "Base32 encode or decode FILE, or standard input, to standard output."; 
+static SUMMARY: &'static str = "Base32 encode or decode FILE, or standard input, to standard output.";
 static LONG_HELP: &'static str = "
  With no FILE, or when FILE is -, read standard input.
 
@@ -39,7 +39,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
                 "wrap encoded lines after COLS character (default 76, 0 to disable wrapping)",
                 "COLS")
         .parse(args);
-    
+
     let line_wrap = match matches.opt_str("wrap") {
         Some(s) => {
             match s.parse() {

src/base64/base64.rs

@@ -15,11 +15,11 @@ extern crate uucore;
 use uucore::encoding::{Data, Format, wrap_print};
 
 use std::fs::File;
-use std::io::{BufReader, Read, stdin, Write};
+use std::io::{BufReader, Read, stdin};
 use std::path::Path;
 
-static SYNTAX: &'static str = "[OPTION]... [FILE]"; 
+static SYNTAX: &'static str = "[OPTION]... [FILE]";
-static SUMMARY: &'static str = "Base64 encode or decode FILE, or standard input, to standard output."; 
+static SUMMARY: &'static str = "Base64 encode or decode FILE, or standard input, to standard output.";
 static LONG_HELP: &'static str = "
  With no FILE, or when FILE is -, read standard input.
 

src/basename/basename.rs

@@ -12,13 +12,12 @@
 #[macro_use]
 extern crate uucore;
 
-use std::io::Write;
 use std::path::{is_separator, PathBuf};
 
 static NAME: &'static str = "basename";
-static SYNTAX: &'static str = "NAME [SUFFIX]"; 
+static SYNTAX: &'static str = "NAME [SUFFIX]";
 static SUMMARY: &'static str = "Print NAME with any leading directory components removed
- If specified, also remove a trailing SUFFIX"; 
+ If specified, also remove a trailing SUFFIX";
 static LONG_HELP: &'static str = "";
 
 pub fn uumain(args: Vec<String>) -> i32 {

src/chgrp/chgrp.rs

@@ -17,7 +17,6 @@ use uucore::fs::resolve_relative_path;
 extern crate walkdir;
 use walkdir::WalkDir;
 
-use std::io::prelude::*;
 use std::io::Result as IOResult;
 use std::io::Error as IOError;
 

src/chmod/chmod.rs

@@ -17,7 +17,6 @@ extern crate walker;
 extern crate uucore;
 
 use std::fs;
-use std::io::Write;
 use std::os::unix::fs::{MetadataExt, PermissionsExt};
 use std::path::Path;
 use walker::Walker;

src/chown/chown.rs

@@ -23,7 +23,7 @@ use walkdir::WalkDir;
 use std::fs::{self, Metadata};
 use std::os::unix::fs::MetadataExt;
 
-use std::io::{self, Write};
+use std::io;
 use std::io::Result as IOResult;
 
 use std::path::Path;

src/chroot/chroot.rs

@@ -18,18 +18,18 @@ use uucore::libc::{self, setgid, setuid, chroot, setgroups};
 use uucore::entries;
 
 use std::ffi::CString;
-use std::io::{Error, Write};
+use std::io::Error;
 use std::iter::FromIterator;
 use std::path::Path;
 use std::process::Command;
 
 static NAME: &'static str = "chroot";
-static SYNTAX: &'static str = "[OPTION]... NEWROOT [COMMAND [ARG]...]"; 
+static SYNTAX: &'static str = "[OPTION]... NEWROOT [COMMAND [ARG]...]";
-static SUMMARY: &'static str = "Run COMMAND with root directory set to NEWROOT."; 
+static SUMMARY: &'static str = "Run COMMAND with root directory set to NEWROOT.";
 static LONG_HELP: &'static str = "
  If COMMAND is not specified, it defaults to '$(SHELL) -i'.
  If $(SHELL) is not set, /bin/sh is used.
-"; 
+";
 
 pub fn uumain(args: Vec<String>) -> i32 {
     let matches = new_coreopts!(SYNTAX, SUMMARY, LONG_HELP)

src/cksum/build.rs

@@ -1,7 +1,7 @@
 /*
 * This file is part of the uutils coreutils package.
 *
-* (c) Arcterus <arcterus@mail.com>
+* (c) Alex Lyon <arcterus@mail.com>
 * (c) Michael Gehring <mg@ebfe.org>
 *
 * For the full copyright and license information, please view the LICENSE

src/cksum/cksum.rs

@@ -14,16 +14,16 @@
 extern crate uucore;
 
 use std::fs::File;
-use std::io::{self, stdin, Read, Write, BufReader};
+use std::io::{self, stdin, Read, BufReader};
 #[cfg(not(windows))]
 use std::mem;
 use std::path::Path;
 
 include!(concat!(env!("OUT_DIR"), "/crc_table.rs"));
 
-static SYNTAX: &'static str = "[OPTIONS] [FILE]..."; 
+static SYNTAX: &'static str = "[OPTIONS] [FILE]...";
-static SUMMARY: &'static str = "Print CRC and size for each file"; 
+static SUMMARY: &'static str = "Print CRC and size for each file";
-static LONG_HELP: &'static str = ""; 
+static LONG_HELP: &'static str = "";
 
 #[inline]
 fn crc_update(crc: u32, input: u8) -> u32 {

src/cp/cp.rs

@@ -39,7 +39,7 @@ use clap::{Arg, App, ArgMatches};
 use quick_error::ResultExt;
 use std::collections::HashSet;
 use std::fs;
-use std::io::{BufReader, BufRead, stdin, Write};
+use std::io::{BufReader, BufRead, stdin, stdout, Write};
 use std::io;
 use std::path::{Path, PathBuf, StripPrefixError};
 use std::str::FromStr;
@@ -114,9 +114,9 @@ macro_rules! or_continue(
 /// answered yes.
 macro_rules! prompt_yes(
     ($($args:tt)+) => ({
-        pipe_write!(&mut ::std::io::stdout(), $($args)+);
+        print!($($args)+);
-        pipe_write!(&mut ::std::io::stdout(), " [y/N]: ");
+        print!(" [y/N]: ");
-        pipe_flush!();
+        crash_if_err!(1, stdout().flush());
         let mut s = String::new();
         match BufReader::new(stdin()).read_line(&mut s) {
             Ok(_) => match s.char_indices().nth(0) {
@@ -573,7 +573,7 @@ impl Options {
                            attributes.push(Attribute::Xattr);
                            attributes.push(Attribute::Links);
                            break;
-                        } else { 
+                        } else {
                             attributes.push(Attribute::from_str(attribute_str)?);
                         }
                     }

src/cut/buffer.rs

@@ -136,7 +136,7 @@ impl<R: Read> self::Bytes::Select for ByteReader<R> {
             };
 
             match out {
-                Some(out) => pipe_crash_if_err!(1, out.write_all(&buffer[0..consume_val])),
+                Some(out) => crash_if_err!(1, out.write_all(&buffer[0..consume_val])),
                 None => (),
             }
             (res, consume_val)

src/cut/cut.rs

@@ -150,7 +150,7 @@ fn cut_bytes<R: Read>(reader: R, ranges: &[Range], opts: &Options) -> i32 {
             loop {
                 match buf_read.select(low - cur_pos, None::<&mut Stdout>) {
                     NewlineFound => {
-                        pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+                        crash_if_err!(1, out.write_all(&[newline_char]));
                         continue 'newline
                     }
                     Complete(len) => {
@@ -160,7 +160,7 @@ fn cut_bytes<R: Read>(reader: R, ranges: &[Range], opts: &Options) -> i32 {
                     Partial(len) => cur_pos += len,
                     EndOfFile => {
                         if orig_pos != cur_pos {
-                            pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+                            crash_if_err!(1, out.write_all(&[newline_char]));
                         }
 
                         break 'newline
@@ -171,7 +171,7 @@ fn cut_bytes<R: Read>(reader: R, ranges: &[Range], opts: &Options) -> i32 {
             match opts.out_delim {
                 Some(ref delim) => {
                     if print_delim {
-                        pipe_crash_if_err!(1, out.write_all(delim.as_bytes()));
+                        crash_if_err!(1, out.write_all(delim.as_bytes()));
                     }
                     print_delim = true;
                 }
@@ -189,7 +189,7 @@ fn cut_bytes<R: Read>(reader: R, ranges: &[Range], opts: &Options) -> i32 {
                     }
                     EndOfFile => {
                         if cur_pos != low || low == high {
-                            pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+                            crash_if_err!(1, out.write_all(&[newline_char]));
                         }
 
                         break 'newline
@@ -199,7 +199,7 @@ fn cut_bytes<R: Read>(reader: R, ranges: &[Range], opts: &Options) -> i32 {
         }
 
         buf_read.consume_line();
-        pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+        crash_if_err!(1, out.write_all(&[newline_char]));
     }
 
     0
@@ -230,9 +230,9 @@ fn cut_fields_delimiter<R: Read>(reader: R, ranges: &[Range], delim: &str, only_
 
         if delim_search.peek().is_none() {
             if ! only_delimited {
-                pipe_crash_if_err!(1, out.write_all(line));
+                crash_if_err!(1, out.write_all(line));
                 if line[line.len() - 1] != newline_char {
-                    pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+                    crash_if_err!(1, out.write_all(&[newline_char]));
                 }
             }
 
@@ -249,14 +249,14 @@ fn cut_fields_delimiter<R: Read>(reader: R, ranges: &[Range], delim: &str, only_
 
             for _ in 0..high - low + 1 {
                 if print_delim {
-                    pipe_crash_if_err!(1, out.write_all(out_delim.as_bytes()));
+                    crash_if_err!(1, out.write_all(out_delim.as_bytes()));
                 }
 
                 match delim_search.next() {
                     Some((high_idx, next_low_idx)) => {
                         let segment = &line[low_idx..high_idx];
 
-                        pipe_crash_if_err!(1, out.write_all(segment));
+                        crash_if_err!(1, out.write_all(segment));
 
                         print_delim = true;
 
@@ -266,7 +266,7 @@ fn cut_fields_delimiter<R: Read>(reader: R, ranges: &[Range], delim: &str, only_
                     None => {
                         let segment = &line[low_idx..];
 
-                        pipe_crash_if_err!(1, out.write_all(segment));
+                        crash_if_err!(1, out.write_all(segment));
 
                         if line[line.len() - 1] == newline_char {
                             continue 'newline
@@ -277,7 +277,7 @@ fn cut_fields_delimiter<R: Read>(reader: R, ranges: &[Range], delim: &str, only_
             }
         }
 
-        pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+        crash_if_err!(1, out.write_all(&[newline_char]));
     }
 
     0
@@ -318,9 +318,9 @@ fn cut_fields<R: Read>(reader: R, ranges: &[Range], opts: &FieldOptions) -> i32
 
         if delim_search.peek().is_none() {
             if ! opts.only_delimited {
-                pipe_crash_if_err!(1, out.write_all(line));
+                crash_if_err!(1, out.write_all(line));
                 if line[line.len() - 1] != newline_char {
-                    pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+                    crash_if_err!(1, out.write_all(&[newline_char]));
                 }
             }
 
@@ -345,7 +345,7 @@ fn cut_fields<R: Read>(reader: R, ranges: &[Range], opts: &FieldOptions) -> i32
                 Some((high_idx, next_low_idx)) => {
                     let segment = &line[low_idx..high_idx];
 
-                    pipe_crash_if_err!(1, out.write_all(segment));
+                    crash_if_err!(1, out.write_all(segment));
 
                     print_delim = true;
                     low_idx = next_low_idx;
@@ -354,7 +354,7 @@ fn cut_fields<R: Read>(reader: R, ranges: &[Range], opts: &FieldOptions) -> i32
                 None => {
                     let segment = &line[low_idx..line.len()];
 
-                    pipe_crash_if_err!(1, out.write_all(segment));
+                    crash_if_err!(1, out.write_all(segment));
 
                     if line[line.len() - 1] == newline_char {
                         continue 'newline
@@ -364,7 +364,7 @@ fn cut_fields<R: Read>(reader: R, ranges: &[Range], opts: &FieldOptions) -> i32
             }
         }
 
-        pipe_crash_if_err!(1, out.write_all(&[newline_char]));
+        crash_if_err!(1, out.write_all(&[newline_char]));
     }
 
     0

src/dircolors/dircolors.rs

@@ -13,19 +13,18 @@ extern crate glob;
 #[macro_use]
 extern crate uucore;
 
-
 use std::fs::File;
-use std::io::{BufRead, BufReader, Write};
+use std::io::{BufRead, BufReader};
 use std::borrow::Borrow;
 use std::env;
 
 static SYNTAX: &'static str = "[OPTION]... [FILE]";
-static SUMMARY: &'static str = "Output commands to set the LS_COLORS environment variable."; 
+static SUMMARY: &'static str = "Output commands to set the LS_COLORS environment variable.";
 static LONG_HELP: &'static str = "
  If FILE is specified, read it to determine which colors to use for which
  file types and extensions.  Otherwise, a precompiled database is used.
  For details on the format of these files, run 'dircolors --print-database'
-"; 
+";
 
 mod colors;
 use colors::INTERNAL_DB;

src/echo/echo.rs

@@ -12,12 +12,12 @@
 #[macro_use]
 extern crate uucore;
 
-use std::io::Write;
+use std::io::{Write, stdout};
 use std::str::from_utf8;
 
 #[allow(dead_code)]
-static SYNTAX: &'static str = "[OPTIONS]... [STRING]..."; 
+static SYNTAX: &'static str = "[OPTIONS]... [STRING]...";
-static SUMMARY: &'static str = "display a line of text"; 
+static SUMMARY: &'static str = "display a line of text";
 static LONG_HELP: &'static str = r#"
  Echo the STRING(s) to standard output.
  If -e is in effect, the following sequences are recognized:
@@ -34,7 +34,7 @@ static LONG_HELP: &'static str = r#"
  \\v      vertical tab
  \\0NNN   byte with octal value NNN (1 to 3 digits)
  \\xHH    byte with hexadecimal value HH (1 to 2 digits)
-"#; 
+"#;
 
 #[derive(Clone)]
 struct EchoOptions {
@@ -173,7 +173,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
     }
 
     if options.newline {
-        pipe_flush!();
+        return_if_err!(1, stdout().flush())
     } else {
         println!("")
     }

src/env/env.rs

@@ -17,15 +17,15 @@
 extern crate uucore;
 
 use std::env;
-use std::io::Write;
+use std::io::{Write, stdout};
 use std::process::Command;
 
-static NAME: &'static str = "env"; 
+static NAME: &'static str = "env";
-static SYNTAX: &'static str = "[OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]"; 
+static SYNTAX: &'static str = "[OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]";
-static SUMMARY: &'static str = "Set each NAME to VALUE in the environment and run COMMAND"; 
+static SUMMARY: &'static str = "Set each NAME to VALUE in the environment and run COMMAND";
 static LONG_HELP: &'static str = "
  A mere - implies -i. If no COMMAND, print the resulting environment
-"; 
+";
 
 struct options {
     ignore_env: bool,
@@ -48,7 +48,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
     core_opts.optflag("i", "ignore-environment", "start with an empty environment")
         .optflag("0", "null", "end each output line with a 0 byte rather than newline")
         .optopt("u", "unset", "remove variable from the environment", "NAME");
-        
+
     let mut opts = Box::new(options {
         ignore_env: false,
         null: false,
@@ -189,7 +189,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
     } else {
         // no program provided
         print_env(opts.null);
-        pipe_flush!();
+        return_if_err!(1, stdout().flush());
     }
 
     0

src/expr/expr.rs

@@ -16,8 +16,6 @@ extern crate onig;
 mod tokens;
 mod syntax_tree;
 
-use std::io::{Write};
-
 static NAME: &'static str = "expr";
 static VERSION: &'static str = env!("CARGO_PKG_VERSION");
 

src/factor/factor.rs

@@ -21,7 +21,7 @@ extern crate uucore;
 use numeric::*;
 use rand::distributions::{Range, IndependentSample};
 use std::cmp::{max, min};
-use std::io::{stdin, BufRead, BufReader, Write};
+use std::io::{stdin, BufRead, BufReader};
 use std::num::Wrapping;
 use std::mem::swap;
 

src/fold/fold.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -13,13 +13,13 @@
 extern crate uucore;
 
 use std::fs::File;
-use std::io::{BufRead, BufReader, Read, stdin, Write};
+use std::io::{BufRead, BufReader, Read, stdin};
 use std::path::Path;
 
-static SYNTAX: &'static str = "[OPTION]... [FILE]..."; 
+static SYNTAX: &'static str = "[OPTION]... [FILE]...";
-static SUMMARY: &'static str = "Writes each file (or standard input if no files are given) 
+static SUMMARY: &'static str = "Writes each file (or standard input if no files are given)
- to standard output whilst breaking long lines"; 
+ to standard output whilst breaking long lines";
-static LONG_HELP: &'static str = ""; 
+static LONG_HELP: &'static str = "";
 
 pub fn uumain(args: Vec<String>) -> i32 {
     let (args, obs_width) = handle_obsolete(&args[..]);

src/groups/groups.rs

@@ -13,7 +13,6 @@
 #[macro_use]
 extern crate uucore;
 use uucore::entries::{Passwd, Locate, get_groups, gid2grp};
-use std::io::Write;
 
 static SYNTAX: &'static str = "[user]";
 static SUMMARY: &'static str = "display current group names";

src/hashsum/hashsum.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  * (c) Vsevolod Velichko <torkvemada@sorokdva.net>
  * (c) Gil Cottle <gcottle@redtown.org>
  *
@@ -34,7 +34,7 @@ use sha2::{Sha224, Sha256, Sha384, Sha512};
 use sha3::{Sha3_224, Sha3_256, Sha3_384, Sha3_512, Shake128, Shake256};
 use std::ascii::AsciiExt;
 use std::fs::File;
-use std::io::{self, BufRead, BufReader, Read, stdin, Write};
+use std::io::{self, BufRead, BufReader, Read, stdin};
 use std::path::Path;
 
 static NAME: &'static str = "hashsum";
@@ -232,7 +232,7 @@ pub fn uumain(args: Vec<String>) -> i32 {
 }
 
 fn version() {
-    pipe_println!("{} {}", NAME, VERSION);
+    println!("{} {}", NAME, VERSION);
 }
 
 fn usage(program: &str, binary_name: &str, opts: &getopts::Options) {
@@ -251,7 +251,7 @@ Usage:
 
 Compute and check message digests.", NAME, VERSION, spec);
 
-    pipe_print!("{}", opts.usage(&msg));
+    print!("{}", opts.usage(&msg));
 }
 
 fn hashsum(algoname: &str, mut digest: Box<Digest>, files: Vec<String>, binary: bool, check: bool, tag: bool, status: bool, quiet: bool, strict: bool, warn: bool, output_bits: usize) -> Result<(), i32> {
@@ -325,11 +325,11 @@ fn hashsum(algoname: &str, mut digest: Box<Digest>, files: Vec<String>, binary:
                     .to_ascii_lowercase();
                 if sum == real_sum {
                     if !quiet {
-                        pipe_println!("{}: OK", ck_filename);
+                        println!("{}: OK", ck_filename);
                     }
                 } else {
                     if !status {
-                        pipe_println!("{}: FAILED", ck_filename);
+                        println!("{}: FAILED", ck_filename);
                     }
                     failed += 1;
                 }
@@ -337,9 +337,9 @@ fn hashsum(algoname: &str, mut digest: Box<Digest>, files: Vec<String>, binary:
         } else {
             let sum = safe_unwrap!(digest_reader(&mut digest, &mut file, binary, output_bits));
             if tag {
-                pipe_println!("{} ({}) = {}", algoname, filename, sum);
+                println!("{} ({}) = {}", algoname, filename, sum);
             } else {
-                pipe_println!("{} {}{}", sum, binary_marker, filename);
+                println!("{} {}{}", sum, binary_marker, filename);
             }
         }
     }

src/head/head.rs

@@ -14,7 +14,7 @@
 #[macro_use]
 extern crate uucore;
 
-use std::io::{BufRead, BufReader, Read, stdin, Write};
+use std::io::{BufRead, BufReader, Read, stdin};
 use std::fs::File;
 use std::path::Path;
 use std::str::from_utf8;
@@ -115,8 +115,8 @@ pub fn uumain(args: Vec<String>) -> i32 {
 
         for file in &files {
             if settings.verbose {
-                if !firstime { pipe_println!(""); }
+                if !firstime { println!(""); }
-                pipe_println!("==> {} <==", file);
+                println!("==> {} <==", file);
             }
             firstime = false;
 
@@ -171,16 +171,12 @@ fn head<T: Read>(reader: &mut BufReader<T>, settings: &Settings) -> bool {
     match settings.mode {
         FilterMode::Bytes(count) => {
             for byte in reader.bytes().take(count) {
-                if !pipe_print!("{}", byte.unwrap() as char) {
+                print!("{}", byte.unwrap() as char);
-                    return false;
-                }
             }
         },
         FilterMode::Lines(count) => {
             for line in reader.lines().take(count) {
-                if !pipe_println!("{}", line.unwrap()) {
+                println!("{}", line.unwrap());
-                    return false;
-                }
             }
         }
     }

src/hostname/hostname.rs

@@ -21,12 +21,11 @@ extern crate uucore;
 use std::collections::hash_set::HashSet;
 use std::iter::repeat;
 use std::str;
-use std::io::Write;
 use std::net::ToSocketAddrs;
 
-static SYNTAX: &'static str = "[OPTION]... [HOSTNAME]"; 
+static SYNTAX: &'static str = "[OPTION]... [HOSTNAME]";
-static SUMMARY: &'static str = "Print or set the system's host name."; 
+static SUMMARY: &'static str = "Print or set the system's host name.";
-static LONG_HELP: &'static str = ""; 
+static LONG_HELP: &'static str = "";
 
 extern {
     fn gethostname(name: *mut libc::c_char, namelen: libc::size_t) -> libc::c_int;

src/id/id.rs

@@ -22,7 +22,6 @@ pub use uucore::libc;
 use uucore::libc::{getlogin, uid_t};
 use uucore::entries::{self, Passwd, Group, Locate};
 use uucore::process::{getgid, getuid, getegid, geteuid};
-use std::io::Write;
 use std::ffi::CStr;
 
 macro_rules! cstr2cow {

src/install/install.rs

@@ -18,7 +18,6 @@ mod mode;
 extern crate uucore;
 
 use std::fs;
-use std::io::Write;
 use std::path::{Path, PathBuf};
 use std::result::Result;
 

src/install/mode.rs

@@ -1,6 +1,5 @@
 extern crate libc;
 
-use std::io::Write;
 use std::path::Path;
 use std::fs;
 use uucore::mode;

src/kill/kill.rs

@@ -15,12 +15,12 @@ extern crate libc;
 extern crate uucore;
 
 use libc::{c_int, pid_t};
-use std::io::{Error, Write};
+use std::io::Error;
 use uucore::signals::ALL_SIGNALS;
 
-static SYNTAX: &'static str = "[options] <pid> [...]"; 
+static SYNTAX: &'static str = "[options] <pid> [...]";
-static SUMMARY: &'static str = ""; 
+static SUMMARY: &'static str = "";
-static LONG_HELP: &'static str = ""; 
+static LONG_HELP: &'static str = "";
 
 static EXIT_OK:  i32 = 0;
 static EXIT_ERR: i32 = 1;

src/link/link.rs

@@ -13,13 +13,12 @@
 extern crate uucore;
 
 use std::fs::hard_link;
-use std::io::Write;
 use std::path::Path;
 use std::io::Error;
 
-static SYNTAX: &'static str = "[OPTIONS] FILE1 FILE2"; 
+static SYNTAX: &'static str = "[OPTIONS] FILE1 FILE2";
-static SUMMARY: &'static str = "Create a link named FILE2 to FILE1"; 
+static SUMMARY: &'static str = "Create a link named FILE2 to FILE1";
-static LONG_HELP: &'static str = ""; 
+static LONG_HELP: &'static str = "";
 
 pub fn normalize_error_message(e: Error) -> String {
     match e.raw_os_error() {

src/ln/ln.rs

@@ -14,13 +14,13 @@
 extern crate uucore;
 
 use std::fs;
-use std::io::{BufRead, BufReader, Result, stdin, Write};
+use std::io::{BufRead, BufReader, Result, stdin};
 #[cfg(unix)] use std::os::unix::fs::symlink;
 #[cfg(windows)] use std::os::windows::fs::{symlink_file,symlink_dir};
 use std::path::{Path, PathBuf};
 
-static NAME: &'static str = "ln"; 
+static NAME: &'static str = "ln";
-static SUMMARY: &'static str = ""; 
+static SUMMARY: &'static str = "";
 static LONG_HELP: &'static str = "
  In the 1st form, create a link to TARGET with the name LINK_NAME.
  In the 2nd form, create a link to TARGET in the current directory.
@@ -30,7 +30,7 @@ static LONG_HELP: &'static str = "
  When creating hard links, each TARGET must exist.  Symbolic links
  can hold arbitrary text; if later resolved, a relative link is
  interpreted in relation to its parent directory.
-"; 
+";
 
 pub struct Settings {
     overwrite: OverwriteMode,

src/logname/logname.rs

@@ -17,7 +17,6 @@ extern crate libc;
 extern crate uucore;
 
 use std::ffi::CStr;
-use std::io::Write;
 
 extern {
     // POSIX requires using getlogin (or equivalent code)
@@ -35,9 +34,9 @@ fn get_userlogin() -> Option<String> {
     }
 }
 
-static SYNTAX: &'static str = ""; 
+static SYNTAX: &'static str = "";
-static SUMMARY: &'static str = "Print user's login name"; 
+static SUMMARY: &'static str = "Print user's login name";
-static LONG_HELP: &'static str = ""; 
+static LONG_HELP: &'static str = "";
 
 pub fn uumain(args: Vec<String>) -> i32 {
     new_coreopts!(SYNTAX, SUMMARY, LONG_HELP).parse(args);

src/ls/ls.rs

@@ -30,7 +30,6 @@ use uucore::libc::{S_ISUID, S_ISGID, S_ISVTX, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP
 use std::fs;
 use std::fs::{DirEntry, FileType, Metadata};
 use std::path::{Path, PathBuf};
-use std::io::Write;
 use std::cmp::Reverse;
 #[cfg(unix)]
 use std::collections::HashMap;

src/mkdir/mkdir.rs

@@ -16,7 +16,6 @@ extern crate libc;
 extern crate uucore;
 
 use std::fs;
-use std::io::Write;
 use std::path::{Path, PathBuf};
 
 static NAME: &'static str = "mkdir";

src/mkfifo/mkfifo.rs

@@ -17,7 +17,7 @@ extern crate uucore;
 
 use libc::mkfifo;
 use std::ffi::CString;
-use std::io::{Error, Write};
+use std::io::Error;
 
 static NAME: &'static str = "mkfifo";
 static VERSION: &'static str = env!("CARGO_PKG_VERSION");

src/mknod/mknod.rs

@@ -20,7 +20,6 @@ use libc::{mode_t, dev_t};
 use libc::{S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, S_IWOTH, S_IFIFO, S_IFBLK, S_IFCHR};
 
 use getopts::Options;
-use std::io::Write;
 
 use std::ffi::CString;
 

src/mktemp/mktemp.rs

@@ -17,7 +17,6 @@ extern crate rand;
 extern crate uucore;
 
 use std::env;
-use std::io::Write;
 use std::path::{PathBuf, is_separator};
 use std::mem::forget;
 use std::iter;

src/mv/mv.rs

@@ -16,7 +16,7 @@ extern crate uucore;
 
 use std::fs;
 use std::env;
-use std::io::{BufRead, BufReader, Result, stdin, Write};
+use std::io::{BufRead, BufReader, Result, stdin};
 use std::path::{Path, PathBuf};
 
 static NAME: &'static str = "mv";

src/nice/nice.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -17,7 +17,7 @@ extern crate uucore;
 
 use libc::{c_char, c_int, execvp};
 use std::ffi::CString;
-use std::io::{Error, Write};
+use std::io::Error;
 
 const NAME: &'static str = "nice";
 const VERSION: &'static str = env!("CARGO_PKG_VERSION");

src/nl/nl.rs

@@ -20,7 +20,7 @@ extern crate regex;
 extern crate uucore;
 
 use std::fs::File;
-use std::io::{BufRead, BufReader, Read, stdin, Write};
+use std::io::{BufRead, BufReader, Read, stdin};
 use std::iter::repeat;
 use std::path::Path;
 

src/nohup/nohup.rs

@@ -19,7 +19,7 @@ use libc::{c_char, signal, dup2, execvp};
 use libc::{SIG_IGN, SIGHUP};
 use std::ffi::CString;
 use std::fs::{File, OpenOptions};
-use std::io::{Error, Write};
+use std::io::Error;
 use std::os::unix::prelude::*;
 use std::path::{Path, PathBuf};
 use std::env;

src/nproc/nproc.rs

@@ -18,7 +18,6 @@ extern crate libc;
 #[macro_use]
 extern crate uucore;
 
-use std::io::Write;
 use std::env;
 
 #[cfg(target_os = "linux")]

src/od/multifilereader.rs

@@ -2,7 +2,6 @@ use std;
 use std::io;
 use std::io::BufReader;
 use std::fs::File;
-use std::io::Write;
 use std::vec::Vec;
 
 pub enum InputSource<'a> {

src/od/od.rs

@@ -34,7 +34,6 @@ mod output_info;
 mod mockstream;
 
 use std::cmp;
-use std::io::Write;
 use byteorder_io::*;
 use multifilereader::*;
 use partialreader::*;

src/paste/paste.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -14,7 +14,7 @@ extern crate getopts;
 #[macro_use]
 extern crate uucore;
 
-use std::io::{BufRead, BufReader, Read, stdin, Write};
+use std::io::{BufRead, BufReader, Read, stdin};
 use std::iter::repeat;
 use std::fs::File;
 use std::path::Path;

src/printenv/printenv.rs

@@ -16,7 +16,6 @@ extern crate getopts;
 #[macro_use]
 extern crate uucore;
 
-use std::io::Write;
 use std::env;
 
 static NAME: &'static str = "printenv";
@@ -40,7 +39,7 @@ Usage:
   {0} [VARIABLE]... [OPTION]...
 
 Prints the given environment VARIABLE(s), otherwise prints them all.", NAME, VERSION);
-        print!("{}", opts.usage(&msg)); 
+        print!("{}", opts.usage(&msg));
         return 0;
     }
     if matches.opt_present("version") {

src/pwd/pwd.rs

@@ -14,7 +14,6 @@ extern crate getopts;
 #[macro_use]
 extern crate uucore;
 
-use std::io::Write;
 use std::env;
 
 static NAME: &'static str = "pwd";

src/readlink/readlink.rs

@@ -15,7 +15,7 @@ extern crate getopts;
 extern crate uucore;
 
 use std::fs;
-use std::io::Write;
+use std::io::{Write, stdout};
 use std::path::PathBuf;
 use uucore::fs::{canonicalize, CanonicalizeMode};
 
@@ -121,7 +121,7 @@ fn show(path: &PathBuf, no_newline: bool, use_zero: bool) {
     } else {
         println!("{}", path);
     }
-    pipe_flush!();
+    crash_if_err!(1, stdout().flush());
 }
 
 fn show_usage(opts: &getopts::Options) {

src/realpath/realpath.rs

@@ -15,7 +15,6 @@ extern crate getopts;
 extern crate uucore;
 
 use std::fs;
-use std::io::Write;
 use std::path::{Path, PathBuf};
 use uucore::fs::{canonicalize, CanonicalizeMode};
 

src/relpath/relpath.rs

@@ -15,7 +15,6 @@ extern crate getopts;
 extern crate uucore;
 
 use std::env;
-use std::io::Write;
 use std::path::{Path, PathBuf};
 use uucore::fs::{canonicalize, CanonicalizeMode};
 

src/rm/rm.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.

src/rmdir/rmdir.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -15,7 +15,6 @@ extern crate getopts;
 extern crate uucore;
 
 use std::fs;
-use std::io::Write;
 use std::path::Path;
 
 static NAME: &'static str = "rmdir";

src/seq/seq.rs

@@ -9,7 +9,7 @@ extern crate getopts;
 extern crate uucore;
 
 use std::cmp;
-use std::io::Write;
+use std::io::{Write, stdout};
 
 static NAME: &'static str = "seq";
 static VERSION: &'static str = env!("CARGO_PKG_VERSION");
@@ -225,22 +225,18 @@ fn print_seq(first: f64, step: f64, last: f64, largest_dec: usize, separator: St
         let before_dec = istr.find('.').unwrap_or(ilen);
         if pad && before_dec < padding {
             for _ in 0..(padding - before_dec) {
-                if !pipe_print!("0") {
+                print!("0");
-                    return;
-                }
             }
         }
-        pipe_print!("{}", istr);
+        print!("{}", istr);
         i += 1;
         value = first + i as f64 * step;
         if !done_printing(value, step, last) {
-            if !pipe_print!("{}", separator) {
+            print!("{}", separator);
-                return;
-            }
         }
     }
     if (first >= last && step < 0f64) || (first <= last && step > 0f64) {
-        pipe_print!("{}", terminator);
+        print!("{}", terminator);
     }
-    pipe_flush!();
+    crash_if_err!(1, stdout().flush());
 }

src/shuf/shuf.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.

src/sleep/sleep.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -14,8 +14,7 @@ extern crate getopts;
 #[macro_use]
 extern crate uucore;
 
-use std::io::Write;
+use std::thread;
-use std::thread::{self};
 use std::time::Duration;
 
 static NAME: &'static str = "sleep";

src/stat/stat.rs

@@ -21,7 +21,7 @@ use uucore::entries;
 
 use std::{fs, iter, cmp};
 use std::fs::File;
-use std::io::{Write, BufReader, BufRead};
+use std::io::{BufReader, BufRead};
 use std::borrow::Cow;
 use std::os::unix::fs::{FileTypeExt, MetadataExt};
 use std::path::Path;

src/stdbuf/libstdbuf/libstdbuf.rs

@@ -5,7 +5,6 @@ extern crate uucore;
 
 use libc::{c_int, size_t, c_char, FILE, _IOFBF, _IONBF, _IOLBF};
 use std::env;
-use std::io::Write;
 use std::ptr;
 
 extern {

src/stdbuf/stdbuf.rs

@@ -15,7 +15,7 @@ extern crate getopts;
 extern crate uucore;
 
 use getopts::{Matches, Options};
-use std::io::{self, Write};
+use std::io;
 use std::os::unix::process::ExitStatusExt;
 use std::path::PathBuf;
 use std::process::Command;
@@ -23,7 +23,7 @@ use uucore::fs::{canonicalize, CanonicalizeMode};
 
 static NAME: &'static str = "stdbuf";
 static VERSION: &'static str = env!("CARGO_PKG_VERSION");
-static LIBSTDBUF: &'static str = "libstdbuf"; 
+static LIBSTDBUF: &'static str = "libstdbuf";
 
 enum BufferType {
     Default,
@@ -49,17 +49,17 @@ enum OkMsg {
 }
 
 #[cfg(target_os = "linux")]
-fn preload_strings() -> (&'static str, &'static str) { 
+fn preload_strings() -> (&'static str, &'static str) {
     ("LD_PRELOAD", ".so")
 }
 
 #[cfg(target_os = "macos")]
-fn preload_strings() -> (&'static str, &'static str) { 
+fn preload_strings() -> (&'static str, &'static str) {
     ("DYLD_LIBRARY_PATH", ".dylib")
 }
 
 #[cfg(not(any(target_os = "linux", target_os = "macos")))]
-fn preload_strings() -> (&'static str, &'static str) { 
+fn preload_strings() -> (&'static str, &'static str) {
     crash!(1, "Command not supported for this operating system!")
 }
 
@@ -68,10 +68,10 @@ fn print_version() {
 }
 
 fn print_usage(opts: &Options) {
-    let brief = 
+    let brief =
         "Run COMMAND, with modified buffering operations for its standard streams\n \
         Mandatory arguments to long options are mandatory for short options too.";
-    let explanation = 
+    let explanation =
         "If MODE is 'L' the corresponding stream will be line buffered.\n \
         This option is invalid with standard input.\n\n \
         If MODE is '0' the corresponding stream will be unbuffered.\n\n \

src/sum/sum.rs

@@ -15,7 +15,7 @@ extern crate getopts;
 extern crate uucore;
 
 use std::fs::File;
-use std::io::{Read, Result, stdin, Write};
+use std::io::{Read, Result, stdin};
 use std::path::Path;
 
 static NAME: &'static str = "sum";

src/tac/tac.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.

src/tee/tee.rs

@@ -11,7 +11,6 @@
 
 extern crate getopts;
 
-#[macro_use]
 extern crate uucore;
 
 use std::fs::OpenOptions;

src/timeout/timeout.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -16,7 +16,7 @@ extern crate time;
 #[macro_use]
 extern crate uucore;
 
-use std::io::{ErrorKind, Write};
+use std::io::ErrorKind;
 use std::process::{Command, Stdio};
 use std::time::Duration;
 use uucore::process::ChildExt;

src/touch/touch.rs

@@ -18,7 +18,7 @@ extern crate uucore;
 
 use filetime::*;
 use std::fs::{self, File};
-use std::io::{self, Error, Write};
+use std::io::{self, Error};
 use std::path::Path;
 
 static NAME: &'static str = "touch";

src/truncate/truncate.rs

@@ -3,7 +3,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -16,7 +16,7 @@ extern crate uucore;
 
 use std::ascii::AsciiExt;
 use std::fs::{File, metadata, OpenOptions};
-use std::io::{Result, Write};
+use std::io::Result;
 use std::path::Path;
 
 #[derive(Eq, PartialEq)]

src/tsort/tsort.rs

@@ -17,7 +17,7 @@ extern crate uucore;
 
 use std::collections::{HashMap, HashSet};
 use std::fs::File;
-use std::io::{BufRead, BufReader, Read, stdin, Write};
+use std::io::{BufRead, BufReader, Read, stdin};
 use std::path::Path;
 
 static NAME: &'static str = "tsort";

src/tty/tty.rs

@@ -18,7 +18,6 @@ extern crate libc;
 extern crate uucore;
 
 use std::ffi::CStr;
-use std::io::Write;
 use uucore::fs::is_stdin_interactive;
 
 extern {

src/unexpand/unexpand.rs

@@ -249,7 +249,7 @@ fn unexpand(options: Options) {
                             scol = col;             // now printed up to this column
                         }
                     },
-                    Other | Backspace => {  // always 
+                    Other | Backspace => {  // always
                         write_tabs(&mut output, ts, scol, col, pctype == Tab, init, options.aflag);
                         init = false;               // no longer at the start of a line
                         col = if ctype == Other {   // use computed width
@@ -273,5 +273,5 @@ fn unexpand(options: Options) {
             buf.truncate(0);    // clear out the buffer
         }
     }
-    pipe_flush!(output);
+    crash_if_err!(1, output.flush())
 }

src/unlink/unlink.rs

@@ -20,7 +20,7 @@ extern crate uucore;
 use getopts::Options;
 use libc::{S_IFMT, S_IFLNK, S_IFREG};
 use libc::{lstat, unlink, c_char, stat};
-use std::io::{Error, ErrorKind, Write};
+use std::io::{Error, ErrorKind};
 use std::mem::uninitialized;
 
 static NAME: &'static str = "unlink";

src/uptime/uptime.rs

@@ -23,7 +23,7 @@ pub use uucore::libc;
 
 use getopts::Options;
 use std::fs::File;
-use std::io::{Read, Write};
+use std::io::Read;
 use std::mem::transmute;
 
 static NAME: &'static str = "uptime";

src/uucore/coreopts.rs

@@ -1,5 +1,4 @@
 extern crate getopts;
-use std::io::Write;
 
 pub struct HelpText<'a> {
     pub name : &'a str,
@@ -53,8 +52,8 @@ impl<'a> CoreOptions<'a> {
         let matches = match self.options.parse(&args[1..]) {
             Ok(m) => { Some(m) },
             Err(f) => {
-                pipe_write!(&mut ::std::io::stderr(), "{}: error: ", self.help_text.name);
+                eprint!("{}: error: ", self.help_text.name);
-                pipe_writeln!(&mut ::std::io::stderr(), "{}", f);
+                eprintln!("{}", f);
                 ::std::process::exit(1);
             }
         }.unwrap();

src/uucore/macros.rs

@@ -1,7 +1,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -22,46 +22,36 @@ macro_rules! executable(
 #[macro_export]
 macro_rules! show_error(
     ($($args:tt)+) => ({
-        pipe_write!(&mut ::std::io::stderr(), "{}: error: ", executable!());
+        eprint!("{}: error: ", executable!());
-        pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
+        eprintln!($($args)+);
     })
 );
 
 #[macro_export]
 macro_rules! show_warning(
     ($($args:tt)+) => ({
-        pipe_write!(&mut ::std::io::stderr(), "{}: warning: ", executable!());
+        eprint!("{}: warning: ", executable!());
-        pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
+        eprintln!($($args)+);
     })
 );
 
 #[macro_export]
 macro_rules! show_info(
     ($($args:tt)+) => ({
-        pipe_write!(&mut ::std::io::stderr(), "{}: ", executable!());
+        eprint!("{}: ", executable!());
-        pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
+        eprintln!($($args)+);
     })
 );
 
 #[macro_export]
 macro_rules! disp_err(
     ($($args:tt)+) => ({
-        pipe_write!(&mut ::std::io::stderr(), "{}: ", executable!());
+        eprint!("{}: ", executable!());
-        pipe_writeln!(&mut ::std::io::stderr(), $($args)+);
+        eprintln!($($args)+);
-        pipe_writeln!(&mut ::std::io::stderr(), "Try '{} --help' for more information.", executable!());
+        eprintln!("Try '{} --help' for more information.", executable!());
     })
 );
 
-#[macro_export]
-macro_rules! eprint(
-    ($($args:tt)+) => (pipe_write!(&mut ::std::io::stderr(), $($args)+))
-);
-
-#[macro_export]
-macro_rules! eprintln(
-    ($($args:tt)+) => (pipe_writeln!(&mut ::std::io::stderr(), $($args)+))
-);
-
 #[macro_export]
 macro_rules! crash(
     ($exitcode:expr, $($args:tt)+) => ({
@@ -87,22 +77,6 @@ macro_rules! crash_if_err(
     )
 );
 
-#[macro_export]
-macro_rules! pipe_crash_if_err(
-    ($exitcode:expr, $exp:expr) => (
-        match $exp {
-            Ok(_) => (),
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    ()
-                } else {
-                    crash!($exitcode, "{}", f)
-                }
-            },
-        }
-    )
-);
-
 #[macro_export]
 macro_rules! return_if_err(
     ($exitcode:expr, $exp:expr) => (
@@ -116,100 +90,6 @@ macro_rules! return_if_err(
     )
 );
 
-// XXX: should the pipe_* macros return an Err just to show the write failed?
-
-#[macro_export]
-macro_rules! pipe_print(
-    ($($args:tt)+) => (
-        match write!(&mut ::std::io::stdout(), $($args)+) {
-            Ok(_) => true,
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    false
-                } else {
-                    panic!("{}", f)
-                }
-            }
-        }
-    )
-);
-
-#[macro_export]
-macro_rules! pipe_println(
-    ($($args:tt)+) => (
-        match writeln!(&mut ::std::io::stdout(), $($args)+) {
-            Ok(_) => true,
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    false
-                } else {
-                    panic!("{}", f)
-                }
-            }
-        }
-    )
-);
-
-#[macro_export]
-macro_rules! pipe_write(
-    ($fd:expr, $($args:tt)+) => (
-        match write!($fd, $($args)+) {
-            Ok(_) => true,
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    false
-                } else {
-                    panic!("{}", f)
-                }
-            }
-        }
-    )
-);
-
-#[macro_export]
-macro_rules! pipe_writeln(
-    ($fd:expr, $($args:tt)+) => (
-        match writeln!($fd, $($args)+) {
-            Ok(_) => true,
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    false
-                } else {
-                    panic!("{}", f)
-                }
-            }
-        }
-    )
-);
-
-#[macro_export]
-macro_rules! pipe_flush(
-    () => (
-        match ::std::io::stdout().flush() {
-            Ok(_) => true,
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    false
-                } else {
-                    panic!("{}", f)
-                }
-            }
-        }
-    );
-    ($fd:expr) => (
-        match $fd.flush() {
-            Ok(_) => true,
-            Err(f) => {
-                if f.kind() == ::std::io::ErrorKind::BrokenPipe {
-                    false
-                } else {
-                    panic!("{}", f)
-                }
-            }
-        }
-    )
-);
-
 #[macro_export]
 macro_rules! safe_write(
     ($fd:expr, $($args:tt)+) => (

src/uucore/parse_time.rs

@@ -1,7 +1,7 @@
 /*
  * This file is part of the uutils coreutils package.
  *
- * (c) Arcterus <arcterus@mail.com>
+ * (c) Alex Lyon <arcterus@mail.com>
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.

src/wc/wc.rs

@@ -17,7 +17,7 @@ extern crate uucore;
 use getopts::{Matches, Options};
 use std::ascii::AsciiExt;
 use std::fs::File;
-use std::io::{stdin, BufRead, BufReader, Read, Write};
+use std::io::{stdin, BufRead, BufReader, Read};
 use std::path::Path;
 use std::result::Result as StdResult;
 use std::str::from_utf8;

src/who/who.rs

@@ -15,7 +15,6 @@ use uucore::utmpx::{self, time, Utmpx};
 use uucore::libc::{STDIN_FILENO, ttyname, S_IWGRP};
 
 use std::borrow::Cow;
-use std::io::prelude::*;
 use std::ffi::CStr;
 use std::path::PathBuf;
 use std::os::unix::fs::MetadataExt;

src/whoami/whoami.rs

@@ -17,7 +17,6 @@ extern crate getopts;
 extern crate uucore;
 
 use getopts::Options;
-use std::io::Write;
 
 mod platform;
 

src/yes/yes.rs

@@ -17,7 +17,6 @@ extern crate getopts;
 extern crate uucore;
 
 use getopts::Options;
-use std::io::Write;
 
 static NAME: &'static str = "yes";
 static VERSION: &'static str = env!("CARGO_PKG_VERSION");
@@ -57,5 +56,5 @@ pub fn uumain(args: Vec<String>) -> i32 {
 }
 
 pub fn exec(string: &str) {
-    while pipe_println!("{}", string) { }
+    loop { println!("{}", string) }
 }