From 75984043455569c437c138464ae87369ab0d4f6d Mon Sep 17 00:00:00 2001
From: wuseyu <96163054+wuseyu@users.noreply.github.com>
Date: Thu, 9 Mar 2023 17:42:39 +0800
Subject: [PATCH] nl: move help strings to a markdown file (#4477)

---
 src/uu/nl/nl.md     | 7 +++++++
 src/uu/nl/src/nl.rs | 6 +++---
 2 files changed, 10 insertions(+), 3 deletions(-)
 create mode 100644 src/uu/nl/nl.md

diff --git a/src/uu/nl/nl.md b/src/uu/nl/nl.md
new file mode 100644
index 000000000..b64b9f627
--- /dev/null
+++ b/src/uu/nl/nl.md
@@ -0,0 +1,7 @@
+#nl
+
+```
+nl [OPTION]... [FILE]...
+```
+
+Number lines of files
diff --git a/src/uu/nl/src/nl.rs b/src/uu/nl/src/nl.rs
index 54d0cfea9..eb33eb3b8 100644
--- a/src/uu/nl/src/nl.rs
+++ b/src/uu/nl/src/nl.rs
@@ -14,12 +14,12 @@ use std::io::{stdin, BufRead, BufReader, Read};
 use std::iter::repeat;
 use std::path::Path;
 use uucore::error::{FromIo, UResult, USimpleError};
-use uucore::format_usage;
+use uucore::{format_usage, help_about, help_usage};
 
 mod helper;
 
-static ABOUT: &str = "Number lines of files";
-static USAGE: &str = "{} [OPTION]... [FILE]...";
+static ABOUT: &str = help_about!("nl.md");
+static USAGE: &str = help_usage!("nl.md");
 
 // Settings store options used by nl to produce its output.
 pub struct Settings {