Change comparison check

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

utils/md5

@@ -1,5 +1,5 @@
 .coauthors:3785ad38663e5fc43e574914ad067294  -
 define.sh:d6b20a25a04a60d94f466e48fa60ac69  -
 main.sh:32a1f953ffca8584d1eb57c0ecd8a582  -
-search.sh:d20a9457de4f4dc0a84173e5eacca3d5  -
+search.sh:28d0ede8345514d80cc68cc756870002  -
 .updateDirectories:0ede00461e947494545e694040787b3f  -

utils/search.sh

@@ -25,8 +25,8 @@ function check() {
     then
         echo "   md5: https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1md5"
         curl -H 'Cache-Control: no-cache, no-store' -s https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1md5 --output /tmp/out
-        DIFF=$(diff $1/md5 /tmp/out) 
-        if [ "$DIFF" != "" ] 
+        cmp -s $1/md5 /tmp/out
+        if [ "$?" -ne 0 ] 
         then
             echo " Differences detected!"
             cat /tmp/out 
@@ -45,8 +45,8 @@ function check() {
                                 #This could be a different diff, try that one.
                                 echo "   md5: https://raw.githubusercontent.com/sigonasr2/SigScript/main/${CHECKLINE:1}/$1md5"
                                 curl -H 'Cache-Control: no-cache, no-store' -s https://raw.githubusercontent.com/sigonasr2/SigScript/main/${CHECKLINE:1}/$1md5 --output /tmp/out
-                                DIFF=$(diff $1/md5 /tmp/out) 
-                                if [ "$DIFF" != "" ] 
+                                cmp -s $1/md5 /tmp/out
+                                if [ "$?" -ne 0 ] 
                                 then
                                     echo " Differences detected here too."
                                     curl -H 'Cache-Control: no-cache, no-store' https://raw.githubusercontent.com/sigonasr2/SigScript/main/${CHECKLINE:1}/$1$g --output $1$g