Checking before deleting

bb_diffusion_pipeline/bb_bedpostx/bb_bedpostx_gpu

@@ -32,7 +32,9 @@ if [ -d $subjdir/ ] ; then
             --forcedir \
             --logdir=$subjdir.bedpostX/diff_parts \
             $opts $nvox 1 ${subjdir} "$FSLDIR"
-        rm ${subjdir}.bedpostX/data_0
+        if [ -f ${subjdir}.bedpostX/data_0 ] ; then
+          rm ${subjdir}.bedpostX/data_0
+        fi
     fi
 else
     echo "It was not possible to run BEDPOSTX on the subject."