From 55e60cc863c1cbcee6a0abb5b7e39b55322e6542 Mon Sep 17 00:00:00 2001
From: graehl <graehl@ec762483-ff6d-05da-a07a-a48fb63a330f>
Date: Mon, 5 Jul 2010 19:04:38 +0000
Subject: lm spec verify order>0 and filename given

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@134 ec762483-ff6d-05da-a07a-a48fb63a330f
---
 decoder/ff_lm.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'decoder/ff_lm.cc')

diff --git a/decoder/ff_lm.cc b/decoder/ff_lm.cc
index 1f89e24f..346b1fe6 100644
--- a/decoder/ff_lm.cc
+++ b/decoder/ff_lm.cc
@@ -418,9 +418,10 @@ bool parse_lmspec(std::string const& in, int &order, string &featurename, string
       }
     }
   }
-  return true;
+  if (order > 0 && !filename.empty())
+    return true;
 usage:
-  cerr<<"LanguageModel specification should be: [-o order] [-n featurename] filename"<<endl<<" you provided: "<<in<<endl;
+  cerr<<"LanguageModel specification should be: [-o order>0] [-n featurename] filename"<<endl<<" you provided: "<<in<<endl;
   return false;
 }
 
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