*The main function used when ``cl_utils.py`` is run as a single script from the cl, or when installed as a cl command*

def main(arguments=None):
    """
    *The main function used when ``cl_utils.py`` is run as a single script from the cl, or when installed as a cl command*
    """
    # setup the command-line util settings
    su = tools(
        arguments=arguments,
        docString=__doc__,
        logLevel="WARNING",
        options_first=False,
        projectName="polyglot"
    )
    arguments, settings, log, dbConn = su.setup()

    # unpack remaining cl arguments using `exec` to setup the variable names
    # automatically
    for arg, val in arguments.iteritems():
        if arg[0] == "-":
            varname = arg.replace("-", "") + "Flag"
        else:
            varname = arg.replace("<", "").replace(">", "")
        if isinstance(val, str) or isinstance(val, unicode):
            exec(varname + " = '%s'" % (val,))
        else:
            exec(varname + " = %s" % (val,))
        if arg == "--dbConn":
            dbConn = val
        log.debug('%s = %s' % (varname, val,))

    ## START LOGGING ##
    startTime = times.get_now_sql_datetime()
    log.info(
        '--- STARTING TO RUN THE cl_utils.py AT %s' %
        (startTime,))

    # for k, v in locals().iteritems():
    #     print k, v

    if not destinationFolder:
        destinationFolder = os.getcwd()
    if not filenameFlag:
        filenameFlag = False
    if not cleanFlag:
        readability = False
    else:
        readability = True

    if init:
        from os.path import expanduser
        home = expanduser("~")
        filepath = home + "/.config/polyglot/polyglot.yaml"
        try:
            cmd = """open %(filepath)s""" % locals()
            p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True)
        except:
            pass
        try:
            cmd = """start %(filepath)s""" % locals()
            p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True)
        except:
            pass

    if pdf and url:
        filepath = printpdf.printpdf(
            log=log,
            settings=settings,
            url=url,
            folderpath=destinationFolder,
            title=filenameFlag,
            append=False,
            readability=readability
        ).get()

    if html and url:

        cleaner = htmlCleaner.htmlCleaner(
            log=log,
            settings=settings,
            url=url,
            outputDirectory=destinationFolder,
            title=filenameFlag,  # SET TO FALSE TO USE WEBPAGE TITLE,
            style=cleanFlag,  # add polyglot's styling to the HTML document
            metadata=True,  # include metadata in generated HTML (e.g. title),
            h1=True  # include title as H1 at the top of the doc
        )
        filepath = cleaner.clean()

    if epub:
        if url:
            iinput = url
        else:
            iinput = docx
        from polyglot import ebook
        epub = ebook(
            log=log,
            settings=settings,
            urlOrPath=iinput,
            title=filenameFlag,
            bookFormat="epub",
            outputDirectory=destinationFolder
        )
        filepath = epub.get()

    if mobi:
        if url:
            iinput = url
        else:
            iinput = docx
        from polyglot import ebook
        mobi = ebook(
            log=log,
            settings=settings,
            urlOrPath=iinput,
            title=filenameFlag,
            bookFormat="mobi",
            outputDirectory=destinationFolder,
        )
        filepath = mobi.get()

    if kindle:
        if url:
            iinput = url
        else:
            iinput = docx
        from polyglot import kindle
        sender = kindle(
            log=log,
            settings=settings,
            urlOrPath=iinput,
            title=filenameFlag
        )
        success = sender.send()

    if kindleNB2MD:
        basename = os.path.basename(notebook)
        extension = os.path.splitext(basename)[1]
        filenameNoExtension = os.path.splitext(basename)[0]
        if destinationFolder:
            filepath = destinationFolder + "/" + filenameNoExtension + ".md"
        else:
            filepath = notebook.replace("." + extension, ".md")
        from polyglot.markdown import kindle_notebook
        nb = kindle_notebook(
            log=log,
            kindleExportPath=notebook,
            outputPath=filepath
        )
        nb.convert()

    if openFlag:
        try:
            cmd = """open %(filepath)s""" % locals()
            p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True)
        except:
            pass
        try:
            cmd = """start %(filepath)s""" % locals()
            p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True)
        except:
            pass

    if "dbConn" in locals() and dbConn:
        dbConn.commit()
        dbConn.close()
    ## FINISH LOGGING ##
    endTime = times.get_now_sql_datetime()
    runningTime = times.calculate_time_difference(startTime, endTime)
    log.info('-- FINISHED ATTEMPT TO RUN THE cl_utils.py AT %s (RUNTIME: %s) --' %
             (endTime, runningTime, ))

    return