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https://github.com/RGBCube/uutils-coreutils
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uniq
This commit is contained in:
Felipe Lema
parent
3e0a10d732
commit
75b3bc02eb
1 changed files with 40 additions and 38 deletions
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@ -16,15 +16,17 @@ use std::str::FromStr;
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static ABOUT: &str = "Report or omit repeated lines.";
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static VERSION: &str = env!("CARGO_PKG_VERSION");
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static OPT_ALL_REPEATED: &str = "all-repeated";
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static OPT_CHECK_CHARS: &str = "check-chars";
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static OPT_COUNT: &str = "count";
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static OPT_IGNORE_CASE: &str = "ignore-case";
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static OPT_REPEATED: &str = "repeated";
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static OPT_SKIP_FIELDS: &str = "skip-fields";
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static OPT_SKIP_CHARS: &str = "skip-chars";
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static OPT_UNIQUE: &str = "unique";
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static OPT_ZERO_TERMINATED: &str = "zero-terminated";
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pub mod options {
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pub static ALL_REPEATED: &str = "all-repeated";
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pub static CHECK_CHARS: &str = "check-chars";
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pub static COUNT: &str = "count";
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pub static IGNORE_CASE: &str = "ignore-case";
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pub static REPEATED: &str = "repeated";
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pub static SKIP_FIELDS: &str = "skip-fields";
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pub static SKIP_CHARS: &str = "skip-chars";
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pub static UNIQUE: &str = "unique";
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pub static ZERO_TERMINATED: &str = "zero-terminated";
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}
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static ARG_FILES: &str = "files";
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@ -233,63 +235,63 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
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.usage(&usage[..])
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.after_help(&long_usage[..])
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.arg(
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Arg::with_name(OPT_ALL_REPEATED)
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Arg::with_name(options::ALL_REPEATED)
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.short("D")
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.long(OPT_ALL_REPEATED)
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.long(options::ALL_REPEATED)
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.possible_values(&["none", "prepend", "separate"])
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.help("print all duplicate lines. Delimiting is done with blank lines")
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.value_name("delimit-method")
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.default_value("none"),
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)
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.arg(
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Arg::with_name(OPT_CHECK_CHARS)
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Arg::with_name(options::CHECK_CHARS)
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.short("w")
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.long(OPT_CHECK_CHARS)
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.long(options::CHECK_CHARS)
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.help("compare no more than N characters in lines")
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.value_name("N"),
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)
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.arg(
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Arg::with_name(OPT_COUNT)
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Arg::with_name(options::COUNT)
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.short("c")
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.long(OPT_COUNT)
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.long(options::COUNT)
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.help("prefix lines by the number of occurrences"),
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)
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.arg(
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Arg::with_name(OPT_IGNORE_CASE)
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Arg::with_name(options::IGNORE_CASE)
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.short("i")
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.long(OPT_IGNORE_CASE)
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.long(options::IGNORE_CASE)
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.help("ignore differences in case when comparing"),
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)
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.arg(
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Arg::with_name(OPT_REPEATED)
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Arg::with_name(options::REPEATED)
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.short("d")
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.long(OPT_REPEATED)
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.long(options::REPEATED)
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.help("only print duplicate lines"),
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)
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.arg(
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Arg::with_name(OPT_SKIP_CHARS)
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Arg::with_name(options::SKIP_CHARS)
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.short("s")
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.long(OPT_SKIP_CHARS)
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.long(options::SKIP_CHARS)
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.help("avoid comparing the first N characters")
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.value_name("N"),
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)
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.arg(
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Arg::with_name(OPT_SKIP_FIELDS)
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Arg::with_name(options::SKIP_FIELDS)
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.short("f")
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.long(OPT_SKIP_FIELDS)
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.long(options::SKIP_FIELDS)
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.help("avoid comparing the first N fields")
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.value_name("N"),
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)
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.arg(
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Arg::with_name(OPT_UNIQUE)
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Arg::with_name(options::UNIQUE)
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.short("u")
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.long(OPT_UNIQUE)
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.long(options::UNIQUE)
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.help("only print unique lines"),
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)
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.arg(
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Arg::with_name(OPT_ZERO_TERMINATED)
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Arg::with_name(options::ZERO_TERMINATED)
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.short("z")
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.long(OPT_ZERO_TERMINATED)
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.long(options::ZERO_TERMINATED)
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.help("end lines with 0 byte, not newline"),
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)
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.arg(
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@ -316,11 +318,11 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
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};
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let uniq = Uniq {
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repeats_only: matches.is_present(OPT_REPEATED)
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|| matches.occurrences_of(OPT_ALL_REPEATED) > 0,
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uniques_only: matches.is_present(OPT_UNIQUE),
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all_repeated: matches.occurrences_of(OPT_ALL_REPEATED) > 0,
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delimiters: match matches.value_of(OPT_ALL_REPEATED).map(String::from) {
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repeats_only: matches.is_present(options::REPEATED)
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|| matches.occurrences_of(options::ALL_REPEATED) > 0,
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uniques_only: matches.is_present(options::UNIQUE),
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all_repeated: matches.occurrences_of(options::ALL_REPEATED) > 0,
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delimiters: match matches.value_of(options::ALL_REPEATED).map(String::from) {
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Some(ref opt_arg) if opt_arg != "none" => match &(*opt_arg.as_str()) {
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"prepend" => Delimiters::Prepend,
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"separate" => Delimiters::Separate,
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@ -328,12 +330,12 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
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},
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_ => Delimiters::None,
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},
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show_counts: matches.is_present(OPT_COUNT),
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skip_fields: opt_parsed(OPT_SKIP_FIELDS, &matches),
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slice_start: opt_parsed(OPT_SKIP_CHARS, &matches),
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slice_stop: opt_parsed(OPT_CHECK_CHARS, &matches),
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ignore_case: matches.is_present(OPT_IGNORE_CASE),
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zero_terminated: matches.is_present(OPT_ZERO_TERMINATED),
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show_counts: matches.is_present(options::COUNT),
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skip_fields: opt_parsed(options::SKIP_FIELDS, &matches),
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slice_start: opt_parsed(options::SKIP_CHARS, &matches),
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slice_stop: opt_parsed(options::CHECK_CHARS, &matches),
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ignore_case: matches.is_present(options::IGNORE_CASE),
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zero_terminated: matches.is_present(options::ZERO_TERMINATED),
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};
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uniq.print_uniq(
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&mut open_input_file(in_file_name),
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