For the first part of your question, you can return your current working directory with http://perldoc.perl.org/Cwd.html: 
use Cwd;
my $dir = getcwd;

[download]

Can you please elaborate on what you mean for the second part of your question?

In reply to Re: Handling the output of a system command -- how to best manage? by frozenwithjoy
in thread Handling the output of a system command -- how to best manage? by taint

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