--- a/BlastParser_and_hits.xml	Sun Oct 15 18:43:37 2017 -0400
+++ b/BlastParser_and_hits.xml	Fri Feb 16 04:54:52 2018 -0500
@@ -1,4 +1,4 @@
-<tool id="BlastParser_and_hits" name="Parse blast output and compile hits" version="2.5.0">
+<tool id="BlastParser_and_hits" name="Parse blast output and compile hits" version="2.5.1">
 <description>for virus discovery</description>
 <requirements></requirements>
 <command><![CDATA[
@@ -25,7 +25,7 @@
 <inputs>
 	<param name="sequences" type="data" format="fasta"  label="fasta sequences that have been blasted" />
 	<param name="blast" type="data" format="tabular" label="The blast output you wish to parse">
-            <validator type="expression" message="Blast file must have 13 columns">value.metadata.columns == 13</validator>
+            <validator type="expression" message="Blast file must have 13 columns">value.metadata.columns == 13 or value.metadata.columns == 0</validator>
         </param>
 	<param name="flanking" type="integer" value= "5" label="Number of flanking nucleotides to add to hits for CAP3 assembly"/>
 	<param name="mode" type="select" label="Extensive or compact  reporting mode" help="display (extensive)  or not (compact) the oases contigs">
@@ -39,7 +39,7 @@
             </param>
             <when value="no">
             </when>
-            <when value="yes">            
+            <when value="yes">
                 <param name="filter_relativeCov" type="float" value="0" max="1" label="Minimum Relative Subject Coverage" help=""/>
                 <param name="filter_maxScore" type="float" value="0" label="Minimum maximum BitScore" help=""/>
                 <param name="filter_meanScore" type="float" value="0" label="Minimum mean BitScore" help=""/>