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Command substitution and errexit
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From: |
Nikolai Kondrashov |
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Subject: |
Command substitution and errexit |
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Date: |
Mon, 15 Oct 2012 18:23:06 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.7) Gecko/20120922 Icedove/10.0.7 |
Hi everyone,
I've noticed that errexit is disabled inside command substitution.
Is this intentional?
It makes it hard to save and restore errexit state. I.e. you can't simply say
opts=`set +o`, because errexit will always be stored as off. What's
interesting, $SHELLOPTS shows it still on inside the command substitution.
Sincerely,
Nick