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Date:   Thu, 1 Oct 2020 20:05:45 -0600
From:   Andreas Dilger <>
To:     "Theodore Y. Ts'o" <tytso@....EDU>
Cc:     Ext4 Developers List <>
Subject: Re: [PATCH] tests: replace perl usage with shell built-in

On Oct 1, 2020, at 11:08 AM, Theodore Y. Ts'o <tytso@....EDU> wrote:
> On Thu, Oct 01, 2020 at 10:58:09AM -0400, Theodore Y. Ts'o wrote:
>> On Sun, Jul 19, 2020 at 05:00:33AM -0600, Andreas Dilger wrote:
>>> A couple of tests use perl only for generating a string of
>>> N characters long.  Instead of requiring perl to run a few
>>> tests, use shell built-in commands and don't repeatedly run
>>> a separate subshell just to get a string of characters.
>>> h
>>> Signed-off-by: Andreas Dilger <>
>> Thanks, applied.
> .... and I have to revert the patch.  It's using a non-standard shell
> construction which fails on strict POSIX compliant shells, such as
> dash.

Could you please point out which constructs it is unhappy with?  I had
an earlier version of the patch using a different mechanism, but then
updated it after feedback from Lukas.

Cheers, Andreas

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