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POSIX [ ] is test

Lucas Larson 2022-04-16 11:35:20 -04:00
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SC3010.md

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## In POSIX sh, `[[ ]]` is undefined.
POSIX sh uses `[ ]` instead. To see the limitations/differences, view http://mywiki.wooledge.org/BashFAQ/031
POSIX sh uses `[ ]` and `test` instead. To see the limitations/differences, view http://mywiki.wooledge.org/BashFAQ/031