41 lines
786 B
Perl
Executable File
41 lines
786 B
Perl
Executable File
#! /usr/local/bin/perl -ws
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use Parse::RecDescent;
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undef $::RD_WARN;
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my $parse = Parse::RecDescent->new(<<'EOGRAMMAR');
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{use Tie::Hash; }
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line: <rulevar: local %max; tie %max, Tie::StdHash'; %max = (count=>0) >
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line: seplist[sep=>',']
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| seplist[sep=>':']
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| seplist[sep=>" "]
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| { $max{item} }
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seplist: <skip:"">
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<leftop: /[^$arg{sep}]*/ "$arg{sep}" /[^$arg{sep}]*/>
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{ $max{count} = @{$max{item} = $item[2]}
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if @{$item[2]} > $max{count};
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}
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<reject>
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EOGRAMMAR
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while (<DATA>)
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{
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chomp;
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my $res = $parse->line($_);
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print '[', join('][', @$res), "]\n";
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}
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__DATA__
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c,o,m,m,a,s,e,p,a,r,a,t,e,d
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c:o:l:o:n:s:e:p:a:r:a:t:e:d
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s p a c e s e p a r a t e d
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m u:l t i,s:ep ar:a,ted
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m u:l,t i,s:ep ar:a,ted
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m:u:l,t i,s:ep ar:a,ted
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