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[bug #52137] unexpected behaviour when combining -I and -n

From: Andreas Metzler
Subject: [bug #52137] unexpected behaviour when combining -I and -n
Date: Wed, 11 Oct 2017 13:19:24 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0

Follow-up Comment #6, bug #52137 (project findutils):

> I squashed the commits into one, and changed the following:
> - use error() rather than fprintf(),

I tried that first but it broke the testsuite because error() always outputs
argv[0] and argv[0] will include the path when run from testsuite. You have
fixed that in config/unix.exp. ;-)

> - change the test cases to always only have 2 conflicting options,

I am not too happy with that, I can understand *adding* two-option examples
but not replacing the three-case ones.

Your patch introduces an unintended behavior change in respect to "-I REPL

xargs release:
(sid)address@hidden:/tmp/FIND/findutils-4.6.0+git+20170828/xargs$ echo a b c
| xargs -I x -n1  echo x z
a b c z

with patch
(sid)address@hidden:/tmp/FIND/findutils-4.6.0+git+20170828/xargs$ echo a b c
| ./xargs -I x -n1  echo x z
x z a b c

cu Andreas


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