Modified compute_CLmotif-scores script.

Author: Sabrina Krakau

util/compute_CLmotif_scores.sh

@@ -33,12 +33,12 @@ fi
 bedtools="bedtools"
 if [ "$BEDTOOLS"x != "x" ]; then
   bedtools="$BEDTOOLS"
-  if [ ! -e "$bedtools" ]; then
+  if ! "$bedtools" --version >/dev/null 2>&1; then
     echo "Specified BEDTOOLS='$bedtools' not found."
     exit 1
   fi
 else
-  if ! type "$bedtools" >/dev/null 2>&1; then
+  if ! "$bedtools" --version >/dev/null 2>&1; then
     echo "Cannot find bedtools. Specify bedtools in BEDTOOLS environment variable"
     exit 1
   fi