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Re: Failed $(<file) exits under 'set -e' even when followed by ||
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From: |
Chet Ramey |
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Subject: |
Re: Failed $(<file) exits under 'set -e' even when followed by || |
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Date: |
Mon, 3 Apr 2023 10:30:29 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 |
On 3/31/23 10:20 PM, Zev Weiss wrote:
Bash Version: 5.2
Patch Level: !PATCHLEVEL!
Release Status: release
Description:
When 'set -e' is enabled, file-content substitutions of the form $(<...)
cause an immediate exit even when the subsitution is in a conditional
context such as the condition of an 'if' statement or the left operand of
the '||' operator.
It's always been a (fatal) redirection error, but, as you suspect, has a
different effect now that $(<file) is run without forking. I'll change it
to a non-fatal failed word expansion for this case.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/