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.\" ========================================================================
.\"
.IX Title "ENV 1"
.TH ENV 1 "2001-06-06" "perl v5.20.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
env \- Run a program in a modified environment.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
env [\fB\-i\fR] [\fB\-u\fR name]... [name=value]... [command [args]...]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fIenv\fR runs a command with the environment modified as specified
by the command line.  If no command is specified, \fIenv\fR prints
out the modified environment.
.SS "\s-1OPTIONS\s0"
.IX Subsection "OPTIONS"
\&\fIenv\fR accepts the following options:
.IP "\fB\-i\fR" 4
.IX Item "-i"
Clears the environment, passing only the values specifed to the command.
.IP "\fB\-u\fR \fIname\fR" 4
.IX Item "-u name"
Clears the environment variable \fIname\fR if it exists.
.SH "ENVIRONMENT"
.IX Header "ENVIRONMENT"
The working of \fIenv\fR is not influenced by any environment variables.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
If the command is invoked, the exit status of \fIenv\fR will be the exit
status of the command.  Otherwise, \fIenv\fR will return one of the following
values:
.PP
.Vb 3
\&    0          env completed successfully.
\&    1\-125      An error occured in env.
\&    127        There was an error running the command specified.
.Ve
.SH "BUGS"
.IX Header "BUGS"
\&\fIenv\fR has no known bugs.
.SH "AUTHOR"
.IX Header "AUTHOR"
This Perl version of \fIenv\fR was written by
Matthew Bafford, \fIdragons@scescape.net\fR.
.SH "COPYRIGHT and LICENSE"
.IX Header "COPYRIGHT and LICENSE"
This program is copyright (c) Matthew Bafford 1999.
.PP
This program is free and open software.  You may use, modify, distribute,
and sell this program (and any modified variants) in any way you wish,
provided you do not restrict others from doing the same.