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use strict; #### #### comment_reader.pl #### #### Reads a comment file from command-line arg or standard input #### and outputs the result as a fragment of HTML suitable for #### Perlmonks. #### use IO::File; use Getopt::Long; use Template; ###################### Constants ###################### use constant DEFAULT_TEMPLATE => 'comment_tmpl.tt2'; ###################### Main Program ################### MAIN: { ## Get the options my $template_file = DEFAULT_TEMPLATE; my $outfile = undef; GetOptions('outfile=s' => \$outfile, 'template=s' => \$template_file +); my $entries = read_entries(); my $template = Template->new(); $template->process($template_file, { files => $entries }, $outfile) or die $Template::ERROR; } ###################### Subroutines ##################### ## ## read_entries() ## ## Reads whatever entries are present on the command line, ## then returns them parsed and sorted as a reference ## to an array of hashes, like so: ## [ # List of files ## { 'name' => ## sub read_entries { my %comments = (); while (<>) { chomp; # Bare-bones attempt at avoiding missing closing tags while (m{<(?!\/)([^>]+)>}g) { my $tag = $1; m{</$tag>}i or warn "Missing closing tag for $tag at $.\n"; } my ($file_list, $comment) = split(/\s+/, $_, 2); foreach my $lineref (split(/;/, $file_list) ) { my ($file, $lines) = split(/:/, $lineref, 2); foreach my $line (split(/,/, $lines)) { push( @{ $comments{$file}{$line} }, $comment ); } } } return sort_files(\%comments); } ## ## Given a hash reference, turns it into a list of hashrefs. ## sub sort_files { my ($comments) = @_; my @files = (); foreach my $file (sort keys %$comments) { my @lines = (); foreach my $line (sort {$a <=> $b} keys %{$comments->{$file}}) { push(@lines, { 'number' => $line, 'comments' => $comments->{$fil +e}{$line} }); } push (@files, { name => $file, lines => \@lines }); } return \@files; }

In reply to Annotating Files by stephen

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