If you ever need to print all your project files, use this script to join them in a single .txt file.

fjord.py

import fire
import os
from glob import glob
import subprocess


class Fjord(object):

    def __init__(self, project_path, file_types, output_path, output_filename):

        debugtext = ""

        self.project_path = os.path.abspath(os.path.expanduser(project_path))

        debugtext += "\nAbsolute project_path is {pp}"\
            .format(pp=self.project_path)

        self.output_path = os.path.abspath(os.path.expanduser(output_path))

        debugtext += "\nAbsolute output_path is {op}"\
            .format(op=self.output_path)

        self.output_filename = output_filename

        self.output_filetxt = "{op}/{of}.txt"\
            .format(op=self.output_path, of=self.output_filename)

        self.output_filepdf = "{op}/{of}.pdf"\
            .format(op=self.output_path, of=self.output_filename)

        debugtext += "\nThe output_filetxt is {fnt} and output_filepdf is {fnp}"\
            .format(fnt=self.output_filetxt, fnp=self.output_filepdf)

        self.file_types = file_types

        self.file_list = []

        print(debugtext)

    def start(self):
        for filetype in self.file_types:
            self.file_list += self.find_filetype(filetype=filetype)
        self.write_joinedfiles()

    def find_filetype(self, filetype):
        print("Getting filelist for filetype:{f}".format(f=filetype))
        result = [y for x in os.walk(self.project_path) for y in glob(os.path.join(x[0], '*.{f}'.format(f=filetype)))]
        return result

    def write_joinedfiles(self):
        print("Joining files in single file")
        with open(self.output_filetxt, 'w') as outfile:
            for single_file in self.file_list:
                if os.path.isfile(single_file):
                    with open(single_file) as infile:
                        for line in infile:
                            outfile.write(line)
        subprocess.call(["open", "-R", self.output_filetxt])


if __name__ == '__main__':
    """
    Use it like this:
    python fjord.py --project-path='./../../' --file-types='swift,m,h' --output-path='~/Desktop' --output-filename='woot' start
    """
    fire.Fire(Fjord)

Just remember to use

pip install fire

And to run it like:

python fjord.py --project-path='./../../' --file-types='swift,m,h' --output-path='~/Desktop' --output-filename='woot' start