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envsubst

Langue: en

Autres versions - même langue

Version: June 2006 (CentOS - 06/07/09)

Section: 1 (Commandes utilisateur)

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-FORMAT, one per line.

AUTHOR

Written by Bruno Haible.

REPORTING BUGS

Report bugs to <bug-gnu-gettext@gnu.org>. Copyright © 2003-2005 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.

> Bj, quel est l'appareil numerique compact de 3,2M de pixels faisant
> les meilleurs photos?
Fastoche. Celui qui a le meilleur photographe pour s'en servir.
-+- Noëlle, sur fr.rec.photo -+-