[TUHS] Stdin Redirect in Cu History/Alternatives?

[Will Senn]

On 12/10/22 10:17 PM, Dan Cross wrote:
> On Sat, Dec 10, 2022, 9:40 PM Larry McVoy <lm at mcvoy.com> wrote:
>
>     On Sat, Dec 10, 2022 at 07:33:54PM -0700, Warner Losh wrote:
>     > On Sat, Dec 10, 2022 at 7:32 PM Larry McVoy <lm at mcvoy.com> wrote:
>     >
>     > > On Sat, Dec 10, 2022 at 07:26:09PM -0700, Warner Losh wrote:
>     > > > On Sat, Dec 10, 2022, 7:16 PM Larry McVoy <lm at mcvoy.com> wrote:
>     > > >
>     > > > > Wow, Kermit is still around?  I think the last time I used
>     that was
>     > > > > around 1985.
>     > > > >
>     > > > > Are modems still a thing?
>     > > >
>     > > > I used it last year... without a modem.
>     > >
>     > > What problem does it solve that is not solved?
>     >
>     > Talking to my DEC Rainbow and downloading files to it? It was
>     the go-to
>     > protocol of choice. Xmodem is available, but messes up file
>     sizes. kermit
>     > just works with this device that's so slow it drops characters
>     at 2400 baud.
>
>     OK, that is cool, but my question was what problem does it solve that
>     we face today?  Other than talking to 30-40 year old hardware.  Why is
>     Kermit still a thing?
>
>
> Aside from talking to legacy systems, the Kermit protocol probably has 
> little to recommend it (xmodem specifically still gets a bit of a 
> workout in embedded/firmware spaces because it's dead simple). Kermit 
> as a communications swiss army knife of a program is probably more useful.
>
> That said, I could see it for downloading bulk data from scada systems 
> over a slow link (RF, serial, or maybe some weird 7 bit thing). I tend 
> to doubt that's happening much with Kermit these days, though.

It works, it's not flaky and it will talk to practically anything. I use 
it for talking with virtual systems running older OSes (Mac, unix, etc) 
where other stuff doesn't or just sorta works, if you can run kermit and 
theres a path, it'll prolly work more often than not, and certainly more 
than more exotic stuff.


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