91 lines
1.4 KiB
Perl
Executable File
91 lines
1.4 KiB
Perl
Executable File
#!/usr/bin/perl -w
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use strict;
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no locale;
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my %items;
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my $item_key;
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$/ = '';
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while (<>) {
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if (/^=item\s+(.+)/) {
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# new item
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$item_key = get_item_key($1);
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$items{$item_key} .= $_;
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} elsif (/^=back\b/) {
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# no more items in this group
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foreach my $item_key (sort keys %items) {
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print $items{$item_key};
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}
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$item_key = undef;
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%items = ();
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print;
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} elsif (defined $item_key) {
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# part of the current item
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$items{$item_key} .= $_;
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} else {
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# not part of an item
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print;
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}
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}
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if (keys %items) {
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warn "Missing =back after final =item.\n";
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foreach my $item_key (sort keys %items) {
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print $items{$item_key};
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}
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}
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# get the sortable key for an item
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sub get_item_key {
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my($item) = @_;
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# remove POD formatting
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$item =~ s/[A-Z]<(.*?)>/$1/g;
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# remove printf-style escapes
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# note: be careful not to remove things like %hash
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$item =~ s/%(?:[scg]|lx|#o)//g;
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# remove all non-letter characters
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$item =~ tr/A-Za-z//cd;
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return lc $item;
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}
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__END__
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=pod
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=head1 NAME
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sort_perldiag.pl - Sort warning and error messages in perldiag.pod
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=head1 SYNOPSIS
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B<sort_perldiag.pl> I<file>
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=head1 DESCRIPTION
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B<sort_perldiag.pl> is a script for sorting the warning and error
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messages in F<perldiag.pod>. POD formatting, printf-style escapes,
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non-letter characters, and case are ignored, as explained in L<perldiag>.
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=cut
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