sub sub1 { my @InboundParameters = @_; my $num = $InboundParameters[0]; print "started thread $num : Establishing connection with $InboundParameters[1]\n"; my $host = $InboundParameters[2]; my $sftp = Net::SFTP->new($host, user => $InboundParameters[3], password => $InboundParameters[4], debug => 1) or return ( { 'errors' => "Unable to connect to $host: " . $@, 'success' => 0 } ); #$sftp->put("bar", "2345SD/baz"); $sftp->do_mkdir("ftp2SAT5") or "Cannot make directory: $@" . $sftp->error; print "done with thread $num\n"; return $num; }