system("xterm -e bash --rcfile /path/to/my/file.pl") 
  && die "XTERM FAIL: $!\n";

##</code><code>##

system("xterm -e bash --rcfile /path/to/my/file.pl &") 
  && die "XTERM FAIL: $!\n";

##</code><code>##

system("xterm -e bash --rcfile /path/to/my/file.pl -i -c \"$acommandstringtoexec && exec bash\" &") 
  && die "XTERM FAIL: $!\n";