python find file in directory
# option A (i think this is faster, not in micropython)
import os
if os.path.isfile("test.dat"):
print("yes") #file found
else:
print("no") #file not found
# also this is posible
# from os.path import isfile
# if isfile("test.dat"):
# option B (posible in micropython)
import os
if "test.dat" in os.listdir():
print("yes") # file found
else:
print("no") # file not found
# os.lisdir() return a array whit all the files found in the directorypython search all txts in a folder
index_file = open('index.txt', 'r')
for line in index_file:
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