def generate_injection():
    injection_source = ''
    if os.path.isfile(script_path):
        with codecs.open(script_path, 'r', 'utf-8') as f:
            injection_source = f.read()
    elif os.path.isdir(script_path):
        with codecs.open(merge_scripts(script_path), 'r', 'utf-8') as f:
            injection_source = f.read()
    print((colored('[INFO] Building injection...', 'yellow')))
    return injection_source