Index: scripts/wifi_test_internet.sh
===================================================================
diff -u -r13ac42cf8bdc5038dedd3302ba79dc387e5704b4 -r0629dfe6bcc3e85047319284fa4c534efbf58594
--- scripts/wifi_test_internet.sh	(.../wifi_test_internet.sh)	(revision 13ac42cf8bdc5038dedd3302ba79dc387e5704b4)
+++ scripts/wifi_test_internet.sh	(.../wifi_test_internet.sh)	(revision 0629dfe6bcc3e85047319284fa4c534efbf58594)
@@ -1,3 +1,10 @@
 #!/bin/sh
+
+if [ "$1" == "-h" ]; then
+    currentFile=$(basename "$0")
+    echo "Usage: ./$currentFile <iface>"
+    exit 0
+fi
+
 iface=$1
-ping -I $iface www.google.com
+ping -I $iface -c 4 www.google.com