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For my purposes, this is the correct solution. I don't want the variable 'var' to pollute the environment as it does in the accepted answer.

kronenpj
– kronenpj

2017-09-13 15:12:06 +00:00
Commented Sep 13, 2017 at 15:12
If the simple subshell approach is "Portable (Bourne and POSIX)", why bother with all the more verbose answers for specific shells?

Noumenon
– Noumenon

2022-08-12 08:24:34 +00:00
Commented Aug 12, 2022 at 8:24
1

@Noumenon, because that approach has a side effect (runs in a subshell) that makes it unapplicable in man cases.

Stéphane Chazelas
– Stéphane Chazelas

2022-08-12 08:26:27 +00:00
Commented Aug 12, 2022 at 8:26

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