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authorBenno Schulenberg2014-12-22 22:57:17 +0100
committerKarel Zak2015-01-06 11:27:38 +0100
commit451dbcfae1406f526208faf6033d6dcc8ac100da (patch)
tree594265cfbfad9989191ae3df877d7e6c300699a8 /text-utils/rev.c
parentchsh: keep struct options in .rodata (diff)
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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>
Diffstat (limited to 'text-utils/rev.c')
-rw-r--r--text-utils/rev.c4
1 files changed, 4 insertions, 0 deletions
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);