7章 ソース解読

$ perl -MO=Deparse -naF: -ple '$_=$F[2]'
BEGIN { $/ = "\n"; $\ = "\n"; }
LINE: while (defined($_ = <ARGV>)) {
    chomp $_;
    our(@F) = split(/:/, $_, 0);
    $_ = $F[2];
}
continue {
    print $_;
}
-e syntax OK
$ sudo aptitude install libperl-critic-perl
$ rehash
$ perlcritic