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Re: [Help-bash] errexit and attempting to change readonly functions

From: Chet Ramey
Subject: Re: [Help-bash] errexit and attempting to change readonly functions
Date: Tue, 1 Oct 2019 11:23:01 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.0

On 9/27/19 6:12 AM, Andreas Kusalananda Kähäri wrote:
> A function can be made read-only with
>     readonly -f func
> This stops it from being unset or redefined:
>     $ func () { echo hello; }
>     bash: func: readonly function
> However, with the errexit shell option set, I would expect the shell
> to exit when doing this

It's an oversight, probably dating back to when POSIX only required the
shell to exit if a simple command failed when errexit is enabled. I'll
change it for the next release.

``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden

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