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Do you know where your variables are?

Subtle Quirks

by beppu (Hermit)
on Jul 28, 2000 at 14:23 UTC ( #24822=perlmeditation: print w/replies, xml ) Need Help??

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  1. or download this
        sub foo {
            my $self     = shift;
            my $hash_ref = shift;
  2. or download this
            # and so on...
  3. or download this
        my %hash = %{ shift };
  4. or download this
        my %hash = %{ +shift };
  5. or download this
        my %hash = %{ shift() };
  6. or download this
        sub my_lc { lc +shift; }
        sub my_uc { uc +shift; }
  7. or download this
        printf("#%02x%02x%02x %s\n", /(\d+)\s+(\d+)\s+(\d+)\s+(.*)/);
  8. or download this
        while (<>) {
            print "$_\n";
  9. or download this
        $ ./script a b c
        Can't open a: No such file or directory
        Can't open b: No such file or directory
        Can't open c: No such file or directory
  10. or download this
        @ref = \($a, $b, $c);
  11. or download this
        my %opt;
        GetOptions(\%opt, "size|s=i");

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