Bug allow noninteger

xtract

@@ -70,7 +70,6 @@ Splash
 
 [ -z "$1" ] && Usage
 
-
 # Set default options
 bpx=""
 out=""
@@ -402,7 +401,7 @@ while read structstring; do
       done
 	else
 	    for m in seed stop exclude;do
-		if [ $res -gt 0 ];then
+		if (( $(echo "$res > 0" | bc -l) ));then
 		    # Resample at a different resolution
 		    mkdir -p "$out/masks/$struct"
 		    if [ `$FSLDIR/bin/imtest "$maskdir/$m"` -eq 1 ];then
@@ -434,7 +433,7 @@ while read structstring; do
       done
       echo $out/masks/$struct/target* > "$targetfile"
 	else
-	    if [ $res -gt 0 ];then
+	    if (( $(echo "$res > 0" | bc -l) ));then
 		# Resample at a different resolution
 		for tfile in $targets;do
 		    t=`basename "$tfile"`