Re: Potential ksh bug?

On 17.11.2020 05:04, Jordan Geoghegan wrote:
> Hello,
>
> I'm not sure if this is a bug, or if it's just a pdksh thing, but I
> stumbled upon some interesting behaviour when I was tinkering around
> with quoting and using a poor mans array:
>
> test=$(cat <<'__EOT'
> # I'll choose not to close this quote
> other_stuff
> __EOT
> )
>
> echo "$test"
>
>
> When I run this command on ash, dash, yash, bash, zsh or ksh93 I get
> the following output:
>
> # I'll choose not to close this quote
> other_stuff
>
> But when I run it on ksh from base or any pdksh derivative it throws
> an error about an unclosed quote:
>
> test.sh[8]: no closing quote
>
> This snippet works on every POSIX-y shell in the ports tree, and fails
> on every pdksh variant I tried, including on NetBSD and DragonflyBSD
> as well.  I don't have the requisite esoteric knowledge regarding
> pdksh's internal quoting logic, so I'm hoping one of the gurus here
> can determine whether this is a bug or if I'm just doing something
> annoying.
>

BTW try it somewhere with vim and enabled color syntax and you will see
immediately what is wrong

> Any insight that can be provided would be much appreciated.
>
> Regards,
>
> Jordan