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  1. or download this
    c:\@Work\Perl\monks>perl -wMstrict -e
    "for my $i (0 .. 3) {
    ...
    system command $i 3, then for $j 1
    system command $i 3, then for $j 2
    system command $i 3, then for $j 3
    
  2. or download this
    c:\@Work\Perl\monks>perl -wMstrict -e
    "for my $i (0 .. 3) {
    ...
    system command $i 3, then for $j 0
    system command $i 3, then for $j 1
    system command $i 3, then for $j 2