<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> <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%"> envsubst - substitutes environment variables in shell format strings</td></table> <a name="SYNOPSIS"></a> <h2>SYNOPSIS</h2> <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%"> <b>envsubst</b> [<i>OPTION</i>] [<i>SHELL-FORMAT</i>]</td></table> <a name="DESCRIPTION"></a> <h2>DESCRIPTION</h2> <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%"> Substitutes the values of environment variables.</td></table> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="4%"></td><td width="96%"> <b>Operation mode:</b></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%"> <b>-v</b>, <b>--variables</b></td></table> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="21%"></td><td width="79%"> output the variables occurring in SHELL-FORMAT</td></table> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="4%"></td><td width="96%"> <b>Informative output:</b></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%"> <b>-h</b>, <b>--help</b></td></table> <table width="100%" border=0 rules="none" frame="void" 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> <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%"> <b>-V</b>, <b>--version</b></td></table> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="21%"></td><td width="79%"> output version information and exit</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%"> 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> <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%"> 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"> <tr valign="top" align="left"> <td width="10%"></td><td width="90%"> Report bugs to <bug-gnu-gettext@gnu.org>.</td></table> <a name="COPYRIGHT"></a> <h2>COPYRIGHT</h2> <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%"> Copyright 2003 Free Software Foundation, Inc.<br> This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</td></table> <a name="SEE ALSO"></a> <h2>SEE ALSO</h2> <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%"> 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> <table width="100%" border=0 rules="none" frame="void" cols="2" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td width="21%"></td><td width="79%"> <b>info envsubst</b></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%"> should give you access to the complete manual.</td></table> <hr> </body> </html>