def mergePDF():

        rootPath = os.path.join(dir_path, 'copies_100')
        jobNumbers = []
        pdfList = []
        merger = PdfFileMerger()

        for jobNumber in os.listdir(rootPath):

            print '{' + jobNumber + '}'

            os.chdir(os.path.join(rootPath, jobNumber))

            #for root, dirs, files in os.walk(os.getcwd()):
            for dirpath, dirnames, filenames in os.walk(os.getcwd()):
                    print '########################################################'
                    current = os.getcwd()
                    print current
                    print '########################################################'
                    for filename in filenames:
                        # Search only pdfs
                        if filename.endswith(('.pdf','.PDF')):
                            pdf = os.path.abspath(filename)
                            mergedJob = "{0}_merged.pdf".format(jobNumber)
                            try:
                                ## merger.append(PdfFileReader(open(os.path.join('mypdfs', fname), 'rb')))
                                merger.append(PdfFileReader(pdf, "rb"))
                                merger.write(os.path.join(current,mergedJob))
                                pdfList.append(pdf)
                            except:
                                print jobNumber + '\n'

                    merger = PdfFileMerger()
                    print pdfList
                    pdfList = []
                    print ''
                    print ''
        count = 1