Iterating through subdirectories in bash

Question

How can we iterate over subdirectories of a given directory and get files in these subdirectories in bash. Can I do this with the grep command?

Answer 1

This will go into one subdirectory. The inner loop forwill iterate over closed files and directories. The operator ifexcludes directories. You can set options to include hidden files and directories ( shopt -s dotglob).

shopt -s nullglob
for dir in /some/dir/*/
do
    for file in "$dir"/*
    do
        if [[ -f $file ]]
        then
            do_something_with "$file"
        fi
    done
done

It will be recursive. You can limit the depth using the option -maxdepth.

find /some/dir -mindepth 2 -type f -exec do_something {} \;

-mindepth , ( , -maxdepth).

Answer 2

, find (1).

Answer 3

Well, you can do this with grep:

grep -rl ^ /path/to/dir

But why? findit's better.