X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/wordchain/blobdiff_plain/ed71412555b7ef3b16544e33f21fbd521b21b9ae..3bbec421c59fe8feefefe89a5f33cf47ea4a08c8:/chkref

diff --git a/chkref b/chkref
index 4076d96..ef7ed9e 100755
--- a/chkref
+++ b/chkref
@@ -39,7 +39,7 @@ sub parse_list ($) {
     push @chains, parse_chain(@words);
   }
   $f->close;
-  return join("|", @chains);
+  return join("|", sort { $a cmp $b } @chains);
 }
 
 die "usage: $0 A B" unless @ARGV == 2;