Add a make-html utility that create an html index of the songbook.

make-html

@@ -0,0 +1,119 @@
+#!/usr/bin/perl -w
+#
+# Generate html index for the Crep's chorbook.
+#
+# Usage: make-html [options] source 
+#        source should be an .sg or .sbd file
+#
+
+use warnings;
+use strict;
+use utf8;
+
+sub uppercase($)
+{
+    my $letter = shift;
+    $letter =~ tr/a-zàéèëê/A-ZAEEEE/;
+    return $letter;
+}
+
+# Create the latex-proof function
+sub latex2utf8($)
+{
+    my $result = shift;
+
+    $result =~ s/\\'e/é/g;
+    $result =~ s/\\¨e/ë/g;
+    $result =~ s/\\`e/è/g;
+    $result =~ s/\\\^e/ê/g;
+    $result =~ s/\\\^o/ô/g;
+    $result =~ s/\\\^a/â/g;
+    $result =~ s/\\\^i/î/g;
+    $result =~ s/\\`a/à/g;
+    $result =~ s/\\`u/ù/g;
+    $result =~ s/\\&/&/g;
+    $result =~ s/\\oe\s*{}/oe/g;
+
+    return ($result);   
+} 
+#'
+
+sub usage ()
+{ 
+    die "usage: make-html [options] source", "\n";
+}
+
+sub defaultoptions() 
+{
+    return (
+	titleprefix => "",
+    );
+}
+
+my %options;
+sub getoptions ()
+{
+    %options = defaultoptions();
+    eval q{use Getopt::Long};
+    Getopt::Long::Configure('pass_through');
+    GetOptions(
+#	       "verbose|v!" => \$options{verbose},
+	       "titleprefix|p=s" => \$options{titleprefix},
+	       ) || usage();
+}
+
+getoptions();
+
+my $prefix = '(('.$options{titleprefix}.')[\s\'])';
+
+# Filter function
+sub process_titleprefix($)
+{
+    my $string = shift;
+    if( $string =~ /^$prefix\W*(\w)/ )
+    {
+	my $letter = uppercase $3;
+	$string =~ s/^$prefix\W*\w(.*)/$letter$3, $1/;
+    }
+    return $string;	
+}
+
+# Process command line
+usage() unless @ARGV;
+my $file = shift;
+
+# Open file and store date before closing the file
+open( FILE, $file ) or die("unable to open $file");
+
+# Process data
+my %table;
+my $author;
+my $title;
+
+while( <FILE> )
+{
+    if( $_ =~ /\\beginsong{(.*)}\[.*by=(.*)\]/ )
+    {
+	$author = latex2utf8 $2;
+	$title = latex2utf8 $1;
+	$title = process_titleprefix $title unless $options{titleprefix} eq "";
+	# Create empty data index if needed
+	$table{$author} = [] unless exists $table{$author};
+	push @{$table{$author}}, $title;
+    }
+}
+
+close( FILE );
+
+# Format output
+print '<ul>';
+foreach my $author ( sort keys %table )
+{
+    print '<li><strong>', $author, '</strong><ul>';
+    foreach my $title ( sort @{$table{$author}} )
+    {
+	print '<li>',$title,'</li>'
+    }
+    print '</ul></li>';
+}
+print '</ul>';