diff --git a/check-pls.sh b/check-pls.sh
index 51ed0eb..3eae46b 100755
--- a/check-pls.sh
+++ b/check-pls.sh
@@ -21,6 +21,9 @@
 #################################################
 
 awk '
+    function ltrim(s) { sub(/^[ \t\r\n]+/, "", s); return s }
+    function rtrim(s) { sub(/[ \t\r\n]+$/, "", s); return s }
+    function trim(s)  { return rtrim(ltrim(s)); }
     BEGIN {
         total_count=0
         success_count=0
@@ -46,13 +49,14 @@ awk '
     }
     {
         sub("\r$", "", $0) # crlf -> lf
+        $0 = trim($0)
         if ($0 ~ /^#EXTINF:.+,/) {
             total_count++
             channel_name = substr($0, index($0, ",") + 1, length($0))
             print "\n[" total_count "] " channel_name
         }
         if ($0 ~ /^http(s)?:\/\/.*/) {
-            url = sprintf("%c%s%c", 34, $0, 34) # 34 is "
+            url = sprintf("%c%s%c", 34, $0, 34) # code 34 is double-qoute char (")
             cmd = "curl -fs --max-time 5 -w \"%{http_code}\" --max-filesize 5000 -o /dev/null " url
             cmd | getline http_code
             code = close(cmd)