Find CSV files using glob function in python :

Question

Relatively new to Python -- I have several csv files at dir2. I only want csv files starting with myfile_xxx.csv . I want to use glob.glob and print names of all csv files available starting with myfile. Here is the code I used

   import glob
   path = "C:/Users/dir1/dir2"
   os.chdir(path)
   print(os.getcwd())
   for filenames in sorted(glob.glob('path/myfile?.csv')):
       print(filenames)

Output doesn't print filenames. What is wrong here ...?

Martin Kleiven · Accepted Answer · 2021-01-04 18:52:40Z

1

The ? syntax matches only a single character, so you can instead a string like: glob.glob('path/myfile_???.csv'), assuming the suffix after the underscore is always a three-digit number.

answered Jan 4, 2021 at 18:52

Martin Kleiven

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2 Comments

VPER Over a year ago

What should I use instead of ? if I have more than three digit number after underscore ?

Martin Kleiven Over a year ago

@VPER A single asterisk (*) matches any number of characters. You can also create ranges, for instance like so: [0-9]. See: en.wikipedia.org/wiki/Glob_%28programming%29

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