1 <?xml version="1.0" encoding="utf-8"?>
5 Copyright 2008 Javier Merino <cibervicho@gmail.com>
7 This program is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2 of the License, or (at your
10 option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
15 Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.4//EN"
24 "file:///usr/share/xml/docbook/schema/dtd/4.4/docbookx.dtd"
30 <email>cibervicho@gmail.com</email>
33 <firstname>Javier</firstname>
34 <surname>Merino</surname>
36 <date>2008-05-01</date>
40 <refentrytitle>ifne</refentrytitle>
41 <manvolnum>1</manvolnum>
45 <refname>ifne</refname>
46 <refpurpose>Run command if the standard input is not empty</refpurpose>
51 <command>ifne [-n] command</command>
56 <title>DESCRIPTION</title>
58 <para><command>ifne</command> runs the following command if and only if
59 the standard input is not empty.</para>
63 <title>OPTIONS</title>
67 <term><option>-n</option></term>
69 <para>Reverse operation. Run the command if the standard input is empty.</para>
70 <para>Note that if the standard input is not empty, it is passed through ifne
78 <title>EXAMPLE</title>
80 <command>find . -name core | ifne mail -s "Core files found" root</command>
87 <para>Copyright 2008 by Javier Merino <cibervicho@gmail.com></para>
88 <para>Licensed under the GNU GPL</para>