my $last, $now)= '0'; #### my $last = my $now = '0'; #### system(`$1`); return $now; print "I done $1"; last #### `$1`; print qq{I've done $1}; return $now
## my $last = my $now = '0'; ##
## system(`$1`); return $now; print "I done $1"; last ##
## `$1`; print qq{I've done $1}; return $now