Experimental Physics and
Industrial Control System

On 09/14/2018 04:54 AM, Torsten Bögershausen wrote:
> The "[[" and "]]" are "bash-only".
> The easiest fix would be to replace "[[" with "[" and "]]" with "]",

FYI this comes up fairly often in the Debian world where bash isn't the default shell.

https://wiki.ubuntu.com/DashAsBinSh#I_am_a_developer._How_can_I_avoid_this_problem_in_future.3F

There is even a script to check your scripts...

http://manpages.ubuntu.com/manpages/bionic/man1/checkbashisms.1.html

https://salsa.debian.org/debian/devscripts/blob/master/scripts/checkbashisms.pl

References:

Re: Perl scripts shebang: /usr/bin/perl vs. /usr/bin/env perl Konrad, Martin

Re: Perl scripts shebang: /usr/bin/perl vs. /usr/bin/env perl Torsten Bögershausen

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