Seriously. There doesn’t seem to be a way to do this. Every thing I ever try I just get bad substitution errors. The internet is full of people posting code that’s supposed to compare file extensions but none of it works. I’ve spent all morning trying everything I could find. I already gave up and I’m making this progeam in python instead but now I’m curious. How tf do you actually compare file extensions? If I have a folder fill of files and I want to run a command only on the png files, there seems to be no way to actually do this.

If someone posts “[[ $file == *.txt ]]” I’m going to fucking scream because THAT DOES NOT WORK. IT’S NOT VAILD BASH CODE.

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    6 months ago

    Maybe a little more context of what you want to run would help here. Find would work.

    find . -name “*.png” -exec whateveryouwanttodohere {} \;

    Or you could find, and then pass the arguments to xargs:

    find . -name “*.png” -print | xargs whateveryouwanttodohere