From 1c90daf25a504cd63e1a154d8ba6aa57d6609c4b Mon Sep 17 00:00:00 2001
From: Miles Liu <miles@bung.cc>
Date: Tue, 21 Mar 2023 13:51:20 +0800
Subject: [PATCH] head: move help strings to markdown file

---
 src/uu/head/head.md     | 11 +++++++++++
 src/uu/head/src/head.rs | 12 +++---------
 2 files changed, 14 insertions(+), 9 deletions(-)
 create mode 100644 src/uu/head/head.md

diff --git a/src/uu/head/head.md b/src/uu/head/head.md
new file mode 100644
index 000000000..476f3affc
--- /dev/null
+++ b/src/uu/head/head.md
@@ -0,0 +1,11 @@
+# head
+
+```
+head [FLAG]... [FILE]...
+```
+
+Print the first 10 lines of each `FILE` to standard output.
+With more than one `FILE`, precede each with a header giving the file name.
+With no `FILE`, or when `FILE` is `-`, read standard input.
+
+Mandatory arguments to long flags are mandatory for short flags too.
diff --git a/src/uu/head/src/head.rs b/src/uu/head/src/head.rs
index 48debc81f..b9ac5024b 100644
--- a/src/uu/head/src/head.rs
+++ b/src/uu/head/src/head.rs
@@ -11,21 +11,15 @@ use std::io::{self, BufWriter, ErrorKind, Read, Seek, SeekFrom, Write};
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UError, UResult, USimpleError};
 use uucore::lines::lines;
-use uucore::{format_usage, show};
+use uucore::{format_usage, help_about, help_usage, show};
 
 const BUF_SIZE: usize = 65536;
 
 /// The capacity in bytes for buffered writers.
 const BUFWRITER_CAPACITY: usize = 16_384; // 16 kilobytes
 
-const ABOUT: &str = "\
-                     Print the first 10 lines of each FILE to standard output.\n\
-                     With more than one FILE, precede each with a header giving the file name.\n\
-                     With no FILE, or when FILE is -, read standard input.\n\
-                     \n\
-                     Mandatory arguments to long flags are mandatory for short flags too.\
-                     ";
-const USAGE: &str = "{} [FLAG]... [FILE]...";
+const ABOUT: &str = help_about!("head.md");
+const USAGE: &str = help_usage!("head.md");
 
 mod options {
     pub const BYTES_NAME: &str = "BYTES";