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sub mysub
{
   $foo ++;
   some_other_sub($bar);
}

sub mysub
{
   my ($foo, $bar) = @_;
   #do stuff with $foo and $bar
}

my ($folder, $server_name, $session_name, $protocol, $hexport, 
   $version, $compr, $user);
...
    &create_session($server_name, $session_name, $protocol, $user);
    &create_link($folder, $server_name, $session_name);
}

while (<SERVER_LIST>) {
    next if /$ignore/ ;
...
    create_session($server_name, $session_name, $protocol, $user);
    create_link($folder, $server_name, $session_name);
}