From 9da4a35689d60253efdf60f2a0da6b500fb3da32 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Mon, 18 Apr 2011 11:15:52 -0400
Subject: helper script

---
 word-aligner/paste-parallel-files.pl | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100755 word-aligner/paste-parallel-files.pl

diff --git a/word-aligner/paste-parallel-files.pl b/word-aligner/paste-parallel-files.pl
new file mode 100755
index 00000000..ce53b325
--- /dev/null
+++ b/word-aligner/paste-parallel-files.pl
@@ -0,0 +1,35 @@
+#!/usr/bin/perl -w
+use strict;
+
+my @fs = ();
+for my $file (@ARGV) {
+  my $fh;
+  open $fh, "<$file" or die "Can't open $file for reading: $!";
+  push @fs, $fh;
+}
+my $num = scalar @fs;
+die "Usage: $0 file1.txt file2.txt [...]\n" unless $num > 1;
+
+my $first = $fs[0];
+while(<$first>) {
+  chomp;
+  my @out = ();
+  push @out, $_;
+  for (my $i=1; $i < $num; $i++) {
+    my $f = $fs[$i];
+    my $line = <$f>;
+    die "Mismatched number of lines!" unless defined $line;
+    chomp $line;
+    push @out, $line;
+  }
+  print join(' ||| ', @out) . "\n";
+}
+
+for my $fh (@fs) {
+  my $x=<$fh>;
+  die "Mismatched number of lines!" if defined $x;
+  close $fh;
+}
+
+exit 0;
+
-- 
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