diff --git a/website-size.sh b/website-size.sh
index b8452f2..a1c9616 100755
--- a/website-size.sh
+++ b/website-size.sh
@@ -1,8 +1,24 @@
 #!/bin/bash
 
+resum=0
+while getopts 'r:' OPTION; do
+    case "$OPTION" in 
+        r)
+            resum=1
+            ;;
+        ?)
+            echo "utilització: ./website-size.sh [-r (crear un fitxer resum)] example.org" >&2
+            exit 1
+            ;;
+    esac
+done
+# shift "$(($OPTIND -1))"
+
 output="./${!#}.log"
 sites_output="./${!#}_sites.log"
 mides_output="./${!#}_mides.log"
+resum_output="./${!#}_resum.log"
+
 year=$(date +"%Y")
 
 echo "Analitzant ${!#}..."
@@ -30,13 +46,16 @@ then
     grep -e "--$year" $output | awk '{printf("%s\n", $3)}' | sort | uniq >> $sites_output
     sed -i '$ d' $sites_output
     sed -i '1d' $sites_output
-    echo "## Resum dels fitxers baixats ##"
-    sleep 1s
-    while read line; do
-        wget --server-response --no-directories --spider -e robots=off --output-file="$mides_output" "$line"
-        echo "$line $(grep -e "Content-Length" $mides_output | awk '{printf("%.2fKb\n", $2 / 1024)}')" 
-        rm $mides_output
-    done < $sites_output
+    if [ $resum = 1 ]
+    then
+        echo "## Resum dels fitxers baixats ##"
+        sleep 1s
+        while read line; do
+            wget --server-response --no-directories --spider -e robots=off --output-file="$mides_output" "$line"
+            echo "$line $(grep -e "Content-Length" $mides_output | awk '{printf("%.2fKb\n", $2 / 1024)}')" 
+            rm $mides_output
+        done < $sites_output >> $resum_output
+    fi
     #grep -e "Content-Length" $output | awk '{printf("%.2fKb\n", $2 / 1024)}' >> $mides_output
     # echo "## Resum dels fitxers baixats ##"
     # sleep 1s