Python glob multiple filetypes

Is there a better way to use glob.glob in python to get a list of multiple file types such as .txt, .mdown, and .markdown? Right now I have something like this:

projectFiles1 = glob.glob( os.path.join(projectDir, '*.txt') )
projectFiles2 = glob.glob( os.path.join(projectDir, '*.mdown') )
projectFiles3 = glob.glob( os.path.join(projectDir, '*.markdown') )

---

Maybe there is a better way, but how about:

>>> import glob
>>> types = ('*.pdf', '*.cpp') # the tuple of file types
>>> files_grabbed = []
>>> for files in types:
...     files_grabbed.extend(glob.glob(files))
... 
>>> files_grabbed   # the list of pdf and cpp files

Perhaps there is another way, so wait in case someone else comes up with a better answer.

---

Chain the results:

import itertools as it, glob

def multiple_file_types(*patterns):
    return it.chain.from_iterable(glob.iglob(pattern) for pattern in patterns)

Then:

for filename in multiple_file_types("*.txt", "*.sql", "*.log"):
    # do stuff

---

from glob import glob

files = glob('*.gif')
files.extend(glob('*.png'))
files.extend(glob('*.jpg'))

print(files)

如果您需要指定路径，请循环搜索匹配模式并将该连接保留在循环中以简化操作：

from os.path import join
from glob import glob

files = []
for ext in ('*.gif', '*.png', '*.jpg'):
   files.extend(glob(join("path/to/dir", ext)))

print(files)

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