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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John Sean
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are you trying to read every file with `.txt` extension? – Apr 02 '20 at 21:22
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@midrizi yes! that is correct – John Sean Apr 02 '20 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.
terafl0ps
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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 {}
Abhishek Jaisingh
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No, [don't use `ls`](https://mywiki.wooledge.org/ParsingLs). The shell already expands `*.txt` before `ls` even runs. There is no need for `xargs` then either. – tripleee Apr 03 '20 at 04:04