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I'd try using the FindBin module. This means that even if there's weird things going on with chroot and paths being rewritten, you should hopefully get the other script invoked:
This is assuming that your test1.pl is in the same directory as your calling script. If you're wondering what $^X is, it's the full path to your perl interpreter, which means the above line should work, even if Perl is not in your path.
I'm using the two-argument version of system, which means that if your host is a Unix-flavoured system, it should avoid the shell (and hence any problems where your script may not have a shell to run).
It's also recommended that you check the return value from system(), so if something does go wrong, you know about it. I personally use IPC::System::Simple for this task, which automates most of the checking and diagnostics, but being Perl there's more than one way to do it.
All the best,
Perl Training Australia
In reply to Re: Call perl script from within another perl script