From 451dbcfae1406f526208faf6033d6dcc8ac100da Mon Sep 17 00:00:00 2001
From: Benno Schulenberg
Date: Mon, 22 Dec 2014 22:57:17 +0100
Subject: textual: add a docstring to most of the utilities

This adds a concise description of a tool to its usage text.

A first form of this patch was proposed by Steven Honeyman
(see http://www.spinics.net/lists/util-linux-ng/msg09994.html).

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
---
 text-utils/rev.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'text-utils/rev.c')

diff --git a/text-utils/rev.c b/text-utils/rev.c
index bda31d2d8..cb3848241 100644
--- a/text-utils/rev.c
+++ b/text-utils/rev.c
@@ -76,6 +76,10 @@ static void __attribute__ ((__noreturn__)) usage(FILE * out)
 {
 	fprintf(out, _("Usage: %s [options] [file ...]\n"),
 		program_invocation_short_name);
+
+	fputs(USAGE_SEPARATOR, out);
+	fputs(_("Reverse lines characterwise.\n"), out);
+
 	fputs(USAGE_OPTIONS, out);
 	fputs(USAGE_HELP, out);
 	fputs(USAGE_VERSION, out);
-- 
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