make the lookup details case-insensitive

tools/imagesums

@@ -6,7 +6,7 @@ if [ "$2"x != ""x ] ; then
     EXT="$2"
 fi
 
-CHECKSUMS="sha1 md5" # sha512 sha256 
+CHECKSUMS="sha512 sha256 sha1 md5"
 
 for SUM in $CHECKSUMS; do
 	UPSUM=`echo $SUM | tr 'a-z' 'A-Z'`
@@ -36,14 +36,14 @@ for file in `find * -name \*.jigdo` `find * -name \*.iso`; do
 	for SUM in $CHECKSUMS; do
 		UPSUM=`echo $SUM | tr 'a-z' 'A-Z'`
 		FILE=$UPSUM"SUMS"$EXT
-		SEARCH="$UPSUM"Sum
 		CMD="$SUM"sum
 
 		grep -q $iso $FILE
 		if [ $? -ne 0 ] ; then
 			CKSUM=""
 			if [ "$JIGDO" == 1 ] ; then
-				CKSUM=`zcat -f $file | awk "/Image Hex $SEARCH/ {print \\$5}"`
+				CKSUM=`zcat -f $file | grep -i "Image Hex $CMD" | \
+                       awk '{print $5}'`
 			fi
 			if [ "$CKSUM"x != ""x ] ; then
 				echo "$CKSUM  $iso" >> $FILE