Hello,
tst is a shell script that does specify which interpreter should be used
and therefore the system falls back to try /bin/sh.
However the script is using bash extensions ([ "$1" == "" ]) which won't
work with *any* sh-type shell. Debian is using dash as /bin/sh and there
an error is thrown, Centos is probably using bash.
So this is not a bug but a user error. If you want to use bash-extension
you'll need to take care that the script runs under bash by using a
correct #!-line.
Closing.
** Changed in: findutils (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1793668
Title:
xargs gives "[: err: unexpected operator" on Ubuntu but not Centos
Status in findutils package in Ubuntu:
Invalid
Bug description:
cd /tmp
rm -Rf tst err
echo 'if [ "$1" == "" ]; then echo "empty"; else cat $1; fi' > tst
chmod +x tst
echo "a" > err
ls err | xargs ./tst # ./tst: 1: [: err: unexpected operator
./tst err # works fine, outputs 'a'
On Ubuntu the error will be shown, on Centos it won't. The error looks
to be incorrect.
$ lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
$ xargs --version
xargs (GNU findutils) 4.7.0-git
Copyright (C) 2017 Free Software Foundation, Inc.
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