2. How do I make a perl script that executes several other perl scripts?
STFW, of course :)

Running a Super Search on "execute script" would have lead you to several nodes here at the Monastery, many of which point you to the documentation for system.

Searching the official Perl documentation, perldoc, leads to the same.

Update: Also, from the Categorized Questions and Answers section:

How do I run another program from within my Perl program

In reply to Re: Moving Files by toolic
in thread Moving Files by Anonymous Monk

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