From 4810de912a9d4fa76dba3c7be16a8da86225aa9f Mon Sep 17 00:00:00 2001 From: Bernhard Voelker Date: Tue, 3 Jul 2012 09:42:55 +0200 Subject: [PATCH] utmpdump: document optional filename argument Signed-off-by: Bernhard Voelker --- login-utils/utmpdump.1 | 5 ++++- login-utils/utmpdump.c | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/login-utils/utmpdump.1 b/login-utils/utmpdump.1 index 65dfe329d2..4df49dd99e 100644 --- a/login-utils/utmpdump.1 +++ b/login-utils/utmpdump.1 @@ -21,10 +21,13 @@ utmpdump \- dump UTMP and WTMP files in raw format .SH SYNOPSIS .B utmpdump .RB [ \-frh ] -.I filename +.I [ filename ] .SH DESCRIPTION \fButmpdump\fP is a simple program to dump UTMP and WTMP files in raw format, so they can be examined. +\fButmpdump\fP reads from stdin unless a +.I filename +is passed. .SH OPTIONS .IP "\fB\-f, \-\-follow\fP" output appended data as the file grows. diff --git a/login-utils/utmpdump.c b/login-utils/utmpdump.c index ac072d4b41..fd3e74a32f 100644 --- a/login-utils/utmpdump.c +++ b/login-utils/utmpdump.c @@ -190,7 +190,7 @@ static void __attribute__((__noreturn__)) usage(FILE *out) fputs(USAGE_HEADER, out); fprintf(out, - _(" %s [options]\n"), program_invocation_short_name); + _(" %s [options] [filename]\n"), program_invocation_short_name); fputs(USAGE_OPTIONS, out); fputs(_(" -f, --follow output appended data as the file grows\n" -- 2.47.3