Chrome Refresh on File Change

chrome-refresh.sh

#!/bin/bash
#
# Watches the folder or files passed as arguments to the script and when it
# detects a change it automatically refreshes Chrome tab or
# window.
#
# Inspired by: http://razius.com/articles/auto-refreshing-google-chrome-on-file-changes/
#
# Usage:
# ./chrome-refresh.sh /folder/to/watch /some/folder/file_to_watch.html

TIME_FORMAT='%F %H:%M'
OUTPUT_FORMAT='%T Event(s): %e fired for file: %w. Refreshing.'
echo Please click on window to refresh!
CHROME_WINDOW_ID=$(xdotool selectwindow)
echo Refreshed window is "$(xdotool getwindowname $CHROME_WINDOW_ID)" ID $CHROME_WINDOW_ID
if [ "$@" == "" ] ; then
    watch=.
else
    watch="$@"
fi
echo Watching files: $watch for MODIFY. Hit CTRL+C to exit. 
while inotifywait -e MODIFY -q -r --timefmt "${TIME_FORMAT}" --format "${OUTPUT_FORMAT}" "$watch"; do
            CURRENT_WINDOW_ID=$(xdotool getactivewindow)
            xdotool windowactivate $CHROME_WINDOW_ID
            xdotool key --window $CHROME_WINDOW_ID F5
            xdotool windowactivate $CURRENT_WINDOW_ID
        done