1 files changed, 22 insertions, 0 deletions
diff --git a/pairwise.pl b/pairwise.pl
new file mode 100755
index 0000000..f721575
--- /dev/null
+++ b/pairwise.pl
@@ -0,0 +1,22 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+die "usage: $0 threshold file […]\n" unless $#ARGV > 0;
+
+my $threshold = shift;
+
+my $header = <>;
+chomp $header;
+my @headers = split /,/, $header;
+while (<>) {
+  chomp;
+  my @parts = split /,/;
+  for (my $i=1; $i <= $#headers; $i++) {
+    if (defined $parts[$i]) {
+      my $similarity = $parts[$i];
+      print "$parts[0],$headers[$i]\n" if $similarity >= $threshold;
+    }
+  }
+}