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<html>
<head>
<meta name="generator" content="groff -Thtml, see www.gnu.org">
<meta name="Content-Style" content="text/css">
<title>ENVSUBST</title>
</head>
<body>
<h1 align=center>ENVSUBST</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#AUTHOR">AUTHOR</a><br>
<a href="#REPORTING BUGS">REPORTING BUGS</a><br>
<a href="#COPYRIGHT">COPYRIGHT</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<!-- Creator : groff version 1.17.2 -->
<a name="NAME"></a>
<h2>NAME</h2>
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<td width="10%"></td><td width="90%">
envsubst - substitutes environment variables in shell format strings</td></table>
<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<td width="10%"></td><td width="90%">
<b>envsubst</b> [<i>OPTION</i>]
[<i>SHELL-FORMAT</i>]</td></table>
<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
Substitutes the values of environment
variables.</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="4%"></td><td width="96%">
<b>Operation mode:</b></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<b>-v</b>, <b>--variables</b></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="21%"></td><td width="79%">
output the variables occurring in SHELL-FORMAT</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="4%"></td><td width="96%">
<b>Informative output:</b></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
<b>-h</b>, <b>--help</b></td></table>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="21%"></td><td width="79%">
display this help and exit</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
<b>-V</b>, <b>--version</b></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="21%"></td><td width="79%">
output version information and exit</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
In normal operation mode, standard input is copied to
standard output, with references to environment variables of
the form $VARIABLE or ${VARIABLE} being replaced with the
corresponding values. If a SHELL-FORMAT is given, only those
environment variables that are referenced in SHELL-FORMAT
are substituted; otherwise all environment variables
references occurring in standard input are
substituted.</td></table>
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
When <b>--variables</b> is used, standard input is ignored,
and the output consists of the environment variables that
are referenced in SHELL-FORMAT, one per line.</td></table>
<a name="AUTHOR"></a>
<h2>AUTHOR</h2>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
Written by Bruno Haible.</td></table>
<a name="REPORTING BUGS"></a>
<h2>REPORTING BUGS</h2>
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
Report bugs to <bug-gnu-gettext@gnu.org>.</td></table>
<a name="COPYRIGHT"></a>
<h2>COPYRIGHT</h2>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
Copyright 2003-2007 Free Software Foundation, Inc. License
GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html><br>
This is free software: you are free to change and
redistribute it. There is NO WARRANTY, to the extent
permitted by law.</td></table>
<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
The full documentation for <b>envsubst</b> is maintained as
a Texinfo manual. If the <b>info</b> and <b>envsubst</b>
programs are properly installed at your site, the
command</td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="21%"></td><td width="79%">
<b>info envsubst</b></td></table>
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cols="2" cellspacing="0" cellpadding="0">
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<td width="10%"></td><td width="90%">
should give you access to the complete manual.</td></table>
<hr>
</body>
</html>
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