Why return from bash while loop (in pipe) is not break the enclosed function?

Question

(This question already has answers here): question from:https://stackoverflow.com/questions/66060836/why-return-from-bash-while-loop-in-pipe-is-not-break-the-enclosed-function

Answer 1

That return only returns from the sub-shell in which while is run - you're running while via pipe |.

Remove echo | and it will behave as you expected.

PS: man bash or help return are your friends.