check_curl: fix body contains

check_curl.sh

@@ -45,7 +45,7 @@ while getopts "u:w:c:C:LH:M:IpR:st:h" opt; do
     CRIT_STRING="$OPTARG"
     ;;
   L)
-    FOLLOW_REDIRECTS="--location"
+    FOLLOW_REDIRECTS="-L"
     ;;
   I)
     INSECURE="--insecure"
@@ -397,7 +397,8 @@ fi
 # Check critical string
 if [ -n "$CRIT_STRING" ]; then
   BODY=$(curl -s $FOLLOW_REDIRECTS $INSECURE $HEADERS $RESOLVE $TIMEOUT $URL)
-  if ! echo "$BODY" | grep -q "$CRIT_STRING"; then
+  if ! [[ $BODY =~ "$CRIT_STRING" ]]; then
+  # if ! echo "$BODY" | grep -q "$CRIT_STRING"; then
     echo "CRITICAL - response body does not contain '$CRIT_STRING': $BODY"
     exit 2
   fi