Add logfile script

save-log.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# Purpose: Save a log file with RTW lines only.
+#
+# To make this file executable:
+#
+# $ chmod +x save-log.sh
+#
+# To execute this file:
+#
+# $ sudo ./save-log.sh
+#
+# or
+#
+# $ sudo sh save-log.sh
+
+SCRIPT_NAME="save-log.sh"
+
+
+# check to ensure sudo was used to start the script
+if [ "$(id -u)" -ne 0 ]; then
+	echo "You must run this script with superuser (root) privileges."
+	echo "Try: \"sudo ./${SCRIPT_NAME}\""
+	exit 1
+fi
+
+
+# deletes existing log
+rm -f -- rtw.log
+
+dmesg | cut -d"]" -f2- | grep "RTW" >> rtw.log
+RESULT=$?
+
+
+if [ "$RESULT" != "0" ]; then
+	echo "An error occurred while running: ${SCRIPT_NAME}"
+	echo "Did you set a log level > 0 ?"
+	exit 1
+else
+	echo "rtw.log saved successfully."
+fi