79 lines
2.0 KiB
Perl
79 lines
2.0 KiB
Perl
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#! /usr/bin/perl
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#
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#
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# hyphenex.pl
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#
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# This small filter converts a hyphenation exception log article for
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# TUGBoat to a real \hyphenation block.
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#
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# Written by Werner Lemberg <wl@gnu.org>.
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#
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# Version 1.1 (2003/04/17)
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#
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# Public domain.
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#
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#
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# Usage:
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#
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# [perl] hyphenex.pl < tugboat-article > hyphenation-exceptions
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# print header
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print "% Hyphenation exceptions for US English,\n";
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print "% based on the hyphenation exception log article in TUGBoat.\n";
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print "%\n";
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print "% This is an automatically generated file. Do not edit!\n";
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print "%\n";
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print "% Please contact Barbara Beeton <bnb\@ams.org>\n";
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print "% for corrections and omissions.\n";
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print "\n";
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print "\\hyphenation{\n";
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while (<>) {
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# retain only lines starting with \1 ... \6 or \tabalign
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next if not (m/^\\[123456]/ || m/^\\tabalign/);
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# remove final newline
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chop;
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# remove all TeX commands except \1 ... \6
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s/\\[^123456\s{]+//g;
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# remove all paired { ... }
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1 while s/{(.*?)}/\1/g;
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# skip lines which now have only whitespace before `&'
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next if m/^\s*&/;
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# remove comments
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s/%.*//;
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# remove trailing whitespace
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s/\s*$//;
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# remove trailing `*' (used as a marker in the document)
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s/\*$//;
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# split at whitespace
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@field = split(' ');
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if ($field[0] eq "\\1" || $field[0] eq "\\4") {
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print " $field[2]\n";
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}
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elsif ($field[0] eq "\\2" || $field[0] eq "\\5") {
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print " $field[2]\n";
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# handle multiple suffixes separated by commata
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@suffix_list = split(/,/, "$field[3]");
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foreach $suffix (@suffix_list) {
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print " $field[2]$suffix\n";
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}
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}
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elsif ($field[0] eq "\\3" || $field[0] eq "\\6") {
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# handle multiple suffixes separated by commata
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@suffix_list = split(/,/, "$field[3],$field[4]");
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foreach $suffix (@suffix_list) {
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print " $field[2]$suffix\n";
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}
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}
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else {
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# for `&', split at `&' with trailing whitespace
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@field = split(/&\s*/);
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print " $field[1]\n";
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}
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}
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# print trailer
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print "}\n";
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print "\n";
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print "% EOF\n";
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