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  1. or download this
    c:\@Work\Perl\monks>perl -wMstrict -le
    "my $year = 987;
    ...
     if ($year !~ /\d{4}/) { die qq{Idiot!, use 4 digit year. Stopped '$!'
    +} }
    "
    Idiot!, use 4 digit year. Stopped '' at -e line 1.