From 53bbbbfa22af0feb83ef9a76fdee302e4b4f56ee Mon Sep 17 00:00:00 2001
From: bojar <bojar@1f5c12ca-751b-0410-a591-d2e778427230>
Date: Tue, 15 Aug 2006 15:16:28 +0000
Subject: [PATCH] --continue now also attempts to step one extra step back if
 necessary moses output is not found

git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@754 1f5c12ca-751b-0410-a591-d2e778427230
---
 scripts/training/mert-moses.pl | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/scripts/training/mert-moses.pl b/scripts/training/mert-moses.pl
index 2bcdf9f63..d82e9d944 100755
--- a/scripts/training/mert-moses.pl
+++ b/scripts/training/mert-moses.pl
@@ -377,10 +377,15 @@ if ($continue) {
   chomp $step;
   $step++;
   close IN;
-  $start_run = $step +1;
 
-  die "Can't start from step $step, because run$step.best$___N_BEST_LIST_SIZE.out.gz was not found!"
-    if ! -e "run$step.best$___N_BEST_LIST_SIZE.out.gz";
+  if (! -e "run$step.best$___N_BEST_LIST_SIZE.out.gz") {
+    # allow stepping one extra iteration back
+    $step--;
+    die "Can't start from step $step, because run$step.best$___N_BEST_LIST_SIZE.out.gz was not found!"
+      if ! -e "run$step.best$___N_BEST_LIST_SIZE.out.gz";
+  }
+
+  $start_run = $step +1;
 
   print STDERR "Reading last cached lambda values (result from step $step)\n";
   @order_of_lambdas_from_decoder = get_order_of_scores_from_nbestlist("gunzip -c < run$step.best$___N_BEST_LIST_SIZE.out.gz |");