Split your script into two. One part is the launcher and the other is the code to run under the second user. Use something like this:
system("su -c ./script2.pl");

[download]

Update: By the way, your sub Chg_Directory suffers from a similar problem, it will only change the directory of the child process. Use chdir.

In reply to Re: system commands and returns by cdarke
in thread system commands and returns by perl_zen

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