stop if cant fetch leetcode_id

Author: tg123

skeleton.sh

@@ -7,11 +7,16 @@ if [ -z "$leetcode_name" ]; then
     exit;
 fi
 
-info=`curl -s https://leetcode.com/problemset/algorithms/  | grep $leetcode_name -B 2`
+info=`curl -s https://leetcode.com/problemset/algorithms/  | grep /$leetcode_name/ -B 2`
 IFS=
 leetcode_id=`(sed 's/<td>\\(.*\\)<\\/td>/\\1/' | sed 's/^ *//') < <(echo $info | head -n 1)`
 title=`(sed 's/<a.*>\\(.*\\)<\\/a>/\\1/' | sed 's/^ *//') < <(echo $info | tail -n 1)`
 
+if [ -z "$leetcode_id" ]; then
+    echo "cant fetch leetcode_id for $leetcode_name"
+    exit
+fi
+
 now=`date --rfc-3339=seconds`
 
 mkdir -p $leetcode_name