python - Recursively list all files in directory (Unix) -


i trying list files directory recursively using python. saw many solutions using os.walk. don't want use os.walk. instead want implement recursion myself.

import os fi = [] def files(a):         f =  [i in os.listdir(a) if os.path.isfile(i)]         if len(os.listdir(a)) == 0:                 return         if len(f) > 0:                 fi.extend(f)         j in [i in os.listdir(a) if os.path.isdir(i)]:                 files(j)   files('.') print fi

i trying learn recursion. saw following q?a, not able implement correctly in code.

os.listdir return filename (without full path) think calling files(j) not work correctly.
try using files(os.path.join(dirname,j))

or this:

def files(a):     entries =  [os.path.join(a,i) in os.listdir(a)]      f =  [i in entries if os.path.isfile(i)]     if len(os.listdir(a)) == 0:             return     if len(f) > 0:             fi.extend(f)     j in [i in entries if os.path.isdir(i)]:             files(j)

i tried stay close structure. however, write 1 loop on entries, that:

def files(a):     entries =  [os.path.join(a,i) in os.listdir(a)]     if len(entries) == 0:             return      e in entries:         if os.path.isfile(e):             fi.append(e)          elif os.path.isdir(e):             files(e)

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