On Tue, Feb 20, 2024 at 11:17 AM Chet Ramey <chet.ra...@case.edu> wrote:
>
> BASH_SOURCE and BASH_LINENO are part of the debugger support, and exist so
> the debugger can create a function call stack.
>
> I've definitely used them to create my own call stack. I've seen
${BASH_SOURCE[0]} given as preferable to ${0} for figuring out where the
running script is, though I don't recall the details there.
> Since startup files are read before any commands, interactive or non-
> interactive, the name of any shell script isn't in BASH_SOURCE when reading
> the startup files.
>
> Fine.
