system "/usr/bin/ssh $system->{host}#this part doesn't work, o+nly brings back reference";
of course! $system->{host} is a hash reference! you need 
$system->{host}->{$host}

[download]
to access the hostname.

In reply to Re: A wrapper script for tmpwatch in Linux written in Perl by bloonix
in thread A wrapper script for tmpwatch in Linux written in Perl by wishartz

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