./step1.pl && ./step2.pl && ./step3.pl && ./step4.pl

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If you are running Linux you can use the control operator && which executes the right command if the left command exited successfully (exit code 0). In your scripts ensure that scripts fail with non-0 exit codes so they will break the command list. Should work in Windows also judging from a quick search.

In reply to Re: how to execute multiple Perl scripts by trippledubs
in thread how to execute multiple Perl scripts by vasuperl

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