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'\" Copyright (C) 1998-2026 Free Software Foundation, Inc.
'\"
'\" This is free software. You may redistribute copies of it under the terms
'\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
'\" There is NO WARRANTY, to the extent permitted by law.
[NAME]
env \- run a program in a modified environment
[DESCRIPTION]
.\" Add any additional description here
[SCRIPT OPTION HANDLING]
The
.B \-S
option allows specifying multiple arguments in a script.
Running a script named
.B 1.pl
containing the following first line:
.PP
.RS
.nf
#!/usr/bin/env \-S perl \-w \-T
\&...
.fi
.RE
.PP
Will execute
.B "perl \-w \-T 1.pl"
.PP
Without the
.B '\-S'
parameter the script will likely fail with:
.PP
.RS
.nf
/usr/bin/env: 'perl \-w \-T': No such file or directory
.fi
.RE
.PP
See the full documentation for more details.
.PP
[NOTES]
POSIX's exec(3p) pages says:
.RS
"many existing applications wrongly assume that they start with certain
signals set to the default action and/or unblocked.... Therefore, it is best
not to block or ignore signals across execs without explicit reason to do so,
and especially not to block signals across execs of arbitrary (not closely
cooperating) programs."
.RE
[SEE ALSO]
sigaction(2), sigprocmask(2), signal(7)
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