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| From: | Steven Penny |
| Subject: | [bug-gawk] POSIX mode "system" returing invalid exit status |
| Date: | Thu, 22 Mar 2018 20:07:50 -0700 (PDT) |
| User-agent: | Tryst/2.4.0 (github.com/svnpenn/tryst) |
Good:
$ awk 'BEGIN {print system("grep")}'
Usage: grep [OPTION]... PATTERN [FILE]...
Try 'grep --help' for more information.
2
Bad:
$ awk --posix 'BEGIN {print system("grep")}'
Usage: grep [OPTION]... PATTERN [FILE]...
Try 'grep --help' for more information.
512
Note that Mawk and Nawk produce the expected "2".
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