The line endings were the issue, thanks. They were that way because I
didn't realize I should force those files in git to have eol=lf in a
.gitattributes file.  This is now all fixed.

On Mon, Jun 26, 2023 at 7:08 PM Mike Gran <spk121@yahoo.com> wrote:

> > On Monday, June 26, 2023 at 04:36:30 PM PDT, David Karr via Cygwin <
> cygwin@cygwin.com> wrote:
>
> > m seeing a problem with someone else's Cygwin setup, sort of similar to a
> > problem I asked about a couple of weeks ago, in that it's a problem with
> > the same user, but seemingly a completely different problem.
>
> ...
>
> > He was getting a weird error on line 3, just saying this:
> > ---------------------
> > ...: line 3: syntax error near unexpected token `$'{\r''
> > ...: line 3: `main() {
> > ---------------
>
> If you run bash with the "-o igncr" option, it will ignore extraneous
> carriage return characters.
>
> But the characters are there in the first place because your
> script has been converted into using Windows line endings:
> carriage return + linefeed.
>
> You didn't say how the script was transferred, but lots
> of programs could add returns when you transfer something
> to windows: git or ftp just to name a few.
>
> You both could try running "bash --version".  The first line should
> say something like
> "GNU bash, version 5.2.15(3)-release (x86_64-pc-cygwin)"
>
> Note the "pc-cygwin" at the end.
>
> HTH,
> Mike Gran
>