322e65b5b9
- Fix shebang - Simplify Makefile - Add maintainer section Changes: http://joeyh.name/code/moreutils/news/version_0.51/
54 lines
1.9 KiB
Groff
54 lines
1.9 KiB
Groff
'\" t
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.\" Title: ifne
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.\" Author: Javier Merino
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.\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
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.\" Date: 2008-05-01
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.\" Manual: moreutils
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.\" Source: moreutils
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.\" Language: English
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.\"
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.TH "IFNE" "1" "2008\-05\-01" "moreutils" "moreutils"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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ifne \- Run command if the standard input is not empty
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.SH "SYNOPSIS"
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.HP \w'\fBifne\ [\-n]\ command\fR\ 'u
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\fBifne [\-n] command\fR
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.SH "DESCRIPTION"
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.PP
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\fBifne\fR
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runs the following command if and only if the standard input is not empty\&.
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.SH "OPTIONS"
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.PP
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\fB\-n\fR
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.RS 4
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Reverse operation\&. Run the command if the standard input is empty\&.
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.sp
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Note that if the standard input is not empty, it is passed through ifne in this case\&.
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.RE
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.SH "EXAMPLE"
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.HP \w'\fBfind\ \&.\ \-name\ core\ |\ ifne\ mail\ \-s\ "Core\ files\ found"\ root\fR\ 'u
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\fBfind \&. \-name core | ifne mail \-s "Core files found" root\fR
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.SH "AUTHOR"
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.PP
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Copyright 2008 by Javier Merino <cibervicho@gmail\&.com>
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.PP
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Licensed under the GNU GPL
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