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So I have a python file file.py. And I have a directory that has many .txt file. So I was wondering how do I do python3 file.py txt1.txt, python3 file.py txt2.txt and so on for every txt file in the directory?

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  • are you trying to read every file with .txt extension? Commented Apr 2, 2020 at 21:22
  • @midrizi yes! that is correct Commented Apr 2, 2020 at 21:32

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Here is the alternative solution using find:

find /path/to/your/txtfiles/*.txt -type f -exec python3 file.py {} \;

I like find because I think it makes it easier to recursively search through directories while matching specific conditions.

Here -type f is selecting only regular files, and -exec is running your script with the filename being substituted in place of the curly braces.

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Just pipe the output of ls (filtering the files you want) into stdin of xargs:

❯❯❯ ls *.txt | xargs -I{} python3 file.py {}
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No, don't use ls. The shell already expands *.txt before ls even runs. There is no need for xargs then either.

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