From a920464952df36e6c1797bc5dccf29f2976edf83 Mon Sep 17 00:00:00 2001
From: zhitkoff <zhitkoff@gmail.com>
Date: Wed, 11 Oct 2023 12:13:22 -0400
Subject: [PATCH] split: undocumented options aliases + help fix

---
 src/uu/split/src/split.rs   |  4 +++-
 tests/by-util/test_split.rs | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/uu/split/src/split.rs b/src/uu/split/src/split.rs
index bfd595e4f..020ada93b 100644
--- a/src/uu/split/src/split.rs
+++ b/src/uu/split/src/split.rs
@@ -311,6 +311,7 @@ pub fn uu_app() -> Command {
         .arg(
             Arg::new(OPT_NUMERIC_SUFFIXES)
                 .long(OPT_NUMERIC_SUFFIXES)
+                .alias("numeric")
                 .require_equals(true)
                 .default_missing_value("0")
                 .num_args(0..=1)
@@ -338,6 +339,7 @@ pub fn uu_app() -> Command {
         .arg(
             Arg::new(OPT_HEX_SUFFIXES)
                 .long(OPT_HEX_SUFFIXES)
+                .alias("hex")
                 .default_missing_value("0")
                 .require_equals(true)
                 .num_args(0..=1)
@@ -372,7 +374,7 @@ pub fn uu_app() -> Command {
                 .allow_hyphen_values(true)
                 .value_name("SEP")
                 .action(ArgAction::Append)
-                .help("use SEP instead of newline as the record separator; '\0' (zero) specifies the NUL character"),
+                .help("use SEP instead of newline as the record separator; '\\0' (zero) specifies the NUL character"),
         )
         .arg(
             Arg::new(OPT_IO)
diff --git a/tests/by-util/test_split.rs b/tests/by-util/test_split.rs
index ce80844cf..113c0fb87 100644
--- a/tests/by-util/test_split.rs
+++ b/tests/by-util/test_split.rs
@@ -1192,6 +1192,19 @@ fn test_numeric_suffix() {
     assert_eq!(at.read("x12"), "");
 }
 
+#[test]
+fn test_numeric_suffix_alias() {
+    let (at, mut ucmd) = at_and_ucmd!();
+    ucmd.args(&["-n", "4", "--numeric=9", "threebytes.txt"])
+        .succeeds()
+        .no_stdout()
+        .no_stderr();
+    assert_eq!(at.read("x09"), "a");
+    assert_eq!(at.read("x10"), "b");
+    assert_eq!(at.read("x11"), "c");
+    assert_eq!(at.read("x12"), "");
+}
+
 #[test]
 fn test_hex_suffix() {
     let (at, mut ucmd) = at_and_ucmd!();
@@ -1205,6 +1218,19 @@ fn test_hex_suffix() {
     assert_eq!(at.read("x0c"), "");
 }
 
+#[test]
+fn test_hex_suffix_alias() {
+    let (at, mut ucmd) = at_and_ucmd!();
+    ucmd.args(&["-n", "4", "--hex=9", "threebytes.txt"])
+        .succeeds()
+        .no_stdout()
+        .no_stderr();
+    assert_eq!(at.read("x09"), "a");
+    assert_eq!(at.read("x0a"), "b");
+    assert_eq!(at.read("x0b"), "c");
+    assert_eq!(at.read("x0c"), "");
+}
+
 #[test]
 fn test_numeric_suffix_no_equal() {
     new_ucmd!()