note brap <code> # 813119.pl: my @args=(0); my $ filename = "ABC.pl"; @args = ("$filename com1@115200 65"); system(@args) == 0 or die "system @args failed: $?"; </code> <p></p> <code> # ABC.pl: print join( ' / ', @ARGV), "\n"; </code> Mostly works for me. ABC.pl gets called, and displays <code> com1 / 65 </code> I'd recommend quoting the '@' character in your @args assignment, as in: <code> @args = ("$filename com1\@115200 65"); </code> Which changes the output to <code> com1@115200 / 65 </code> What output are you seeing? Which version of perl (perl -V)? 813119 813119