Spurious warning generated by bash

[Backwoods BC]

On Wed, Dec 31, 2025 at 1:25 PM David Dyck via Cygwin <cygwin@cygwin.com> wrote:
>
> On Wed, Dec 31, 2025 at 12:21 PM Soren via Cygwin <cygwin@cygwin.com> wrote:
>
> >
> >   ./list2str.sh: line 1: #!/bin/bash: No such file or directory
> >
>
> nice perl script :-)
> I don't get the warning when the script is run from bash
> what context did you run the script from?

I suspect your source is UTF with a BOM tag. I created a file with
this and got your exact results. UTF is OK as long as it doesn't have
the BOM tag.