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ENVSUBST(1)			      GNU			   ENVSUBST(1)

NAME
       envsubst - substitutes environment variables in shell format strings

SYNOPSIS
       envsubst [OPTION] [SHELL-FORMAT]

DESCRIPTION
       Substitutes the values of environment variables.

   Operation mode:
       -v, --variables
	      output the variables occurring in SHELL-FORMAT

   Informative output:
       -h, --help
	      display this help and exit

       -V, --version
	      output version information and exit

       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.

       When --variables is used, standard input is  ignored,  and  the	output
       consists of the environment variables that are referenced in SHELL-FOR‐
       MAT, one per line.

AUTHOR
       Written by Bruno Haible.

REPORTING BUGS
       Report bugs to <bug-gnu-gettext@gnu.org>.

COPYRIGHT
       Copyright © 2003-2006 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is
       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
       PURPOSE.

SEE ALSO
       The full documentation for envsubst is maintained as a Texinfo  manual.
       If  the info and envsubst programs are properly installed at your site,
       the command

	      info envsubst

       should give you access to the complete manual.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Availability	    │ SUNWgnu-getext  │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ External	      │
       └────────────────────┴─────────────────┘
NOTES
       Source for GNU gettext is available in the SUNWgnu-gettextS package.

GNU gettext-runtime 0.16.1	 November 2006			   ENVSUBST(1)

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