mosesdecoder/scripts/training/combine_factors.pl
2010-05-18 17:39:16 +00:00

77 lines
2.1 KiB
Perl
Executable File

#!/usr/bin/perl
# $Id$
# given a list of files, combines them to a single corpus (sent to stdout)
use strict;
use warnings;
use Getopt::Long;
use IO::File;
use File::Basename;
binmode(STDIN, ":utf8");
binmode(STDOUT, ":utf8");
binmode(STDERR, ":utf8");
my @addfactors = @ARGV;
die "usage: combine_factors.pl corpusfile1 corpusfile2 ..."
if 0 == scalar @addfactors;
my @streams = map {
my $fn = $_;
my $opn = ($fn =~ /\.gz$/ ? "zcat $fn |" : "$fn");
my $stream = new IO::File;
$stream->open($opn) or die "Can't open '$opn'";
binmode($stream, ":utf8");
$stream;
} @addfactors;
my $nr=0;
my $firststream = shift @streams;
shift @addfactors; # just to keep the lengths sync'ed
$_ = readline($firststream);
while (defined $_) {
$nr++;
print STDERR "." if $nr % 10000 == 0;
print STDERR "($nr)" if $nr % 100000 == 0;
chomp;
s/ +/ /g; s/^ //; s/ $//;
my @intokens = split / /;
# load lines of corresponding streams and ensure equal number of words
my @lines_of_extratoks;
foreach my $factor (0..$#streams) {
my $line = readline($streams[$factor]);
die "Additional factor file $addfactors[$factor] contains too few sentences!"
if !defined $line;
chomp($line);
$line =~ s/ +/ /g; $line =~ s/^ //; $line =~ s/ $//;
my @toks = split / /, $line;
die "Incompatible number of words in factor $factor on line $nr. ($#toks != $#intokens)"
if $#toks != $#intokens;
$lines_of_extratoks[$factor] = \@toks;
}
# for every token, print the factors in the order as user wished
for(my $i=0; $i<=$#intokens; $i++) {
my $token = $intokens[$i];
my @outtoken = ();
push @outtoken, $token; # add the first one
# print STDERR "Token: $token\n";
foreach my $factor (0..$#streams) {
my $f = $lines_of_extratoks[$factor]->[$i];
die "Missed factor value for word $i+1 on line $nr in $addfactors[$factor]"
if !defined $f || $f eq "";
push @outtoken, $f;
}
print " " if $i != 0;
print join("|", @outtoken);
}
print "\n";
$_ = readline($firststream);
}
close $firststream;
print STDERR "Done.\n";