Running: 

strace ./backup

[download]
should shed some light on the problem.

Also, make sure the file is properly newline terminated (I've sometimes seen weird problems running shell scripts transferred from Windows that were terminated with \r\n).

In reply to Re: Invoking Perl on a script, vs. using shebang by eyepopslikeamosquito
in thread Invoking Perl on a script, vs. using shebang by liverpole

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