54 lines
1.7 KiB
Groff
54 lines
1.7 KiB
Groff
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.24.
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.TH ENVSUBST "1" "April 2005" "GNU gettext-runtime 0.14.3" GNU
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.SH NAME
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envsubst \- substitutes environment variables in shell format strings
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.SH SYNOPSIS
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.B envsubst
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[\fIOPTION\fR] [\fISHELL-FORMAT\fR]
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.SH DESCRIPTION
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.\" Add any additional description here
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.PP
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Substitutes the values of environment variables.
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.SS "Operation mode:"
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.TP
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\fB\-v\fR, \fB\-\-variables\fR
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output the variables occurring in SHELL-FORMAT
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.SS "Informative output:"
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.TP
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\fB\-h\fR, \fB\-\-help\fR
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display this help and exit
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.TP
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\fB\-V\fR, \fB\-\-version\fR
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output version information and exit
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.PP
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In normal operation mode, standard input is copied to standard output,
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with references to environment variables of the form $VARIABLE or ${VARIABLE}
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being replaced with the corresponding values. If a SHELL-FORMAT is given,
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only those environment variables that are referenced in SHELL-FORMAT are
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substituted; otherwise all environment variables references occurring in
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standard input are substituted.
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.PP
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When \fB\-\-variables\fR is used, standard input is ignored, and the output consists
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of the environment variables that are referenced in SHELL-FORMAT, one per line.
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.SH AUTHOR
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Written by Bruno Haible.
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.SH "REPORTING BUGS"
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Report bugs to <bug-gnu-gettext@gnu.org>.
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.SH COPYRIGHT
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Copyright \(co 2003-2005 Free Software Foundation, Inc.
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.br
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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.SH "SEE ALSO"
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The full documentation for
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.B envsubst
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is maintained as a Texinfo manual. If the
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.B info
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and
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.B envsubst
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programs are properly installed at your site, the command
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.IP
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.B info envsubst
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.PP
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should give you access to the complete manual.
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