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man/env.x
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Collin Funk
maint: run 'make update-copyright'
01 янв 2026, 21:56
01 янв 2026, 21:56
73d3a49
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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)