and only files matching my_test_here would make it onto do_something. I love the while-read pattern, but it just doesn't feel right that there's no simpler, built-in, idiomatic way to write a function ...

While Linux systems install with thousands of commands, bash also supplies a large number of “built-ins”—commands that are not sitting in the file system as separate files, but are part of bash itself ...

Why would that be a bug? You've written an infinite recursion. You're going to fill up the shell's stack with an pseudo-infinite series of stack frames for the ...