making nmdm(4) emulate actual speed.

Luigi Rizzo rizzo at
Mon Jan 3 06:57:19 PST 2005

On Mon, Jan 03, 2005 at 11:47:39AM +0100, Poul-Henning Kamp wrote:
> I participated in an "Editor Celebrity Death Match" recently and
> being the senior combatant my weapon of choice was ed(1).  To
> properly show off ed(1)'s main weakness I wanted to run my slides
> in ed(1) on a 300 bps line.
> Rather than use two USB-serial dongles and a usb-hub, I hacked nmdm(4)
> up to actually respect the baud-rate set with stty.
> Would this be considered generally useful ?

being nmdm(4) an emulation tool, i'd say definitely yes, probably
even more useful if you provide a knob to enable/disable the speed
emulation -- i see a point in actually emulating the wire speed,
but also one in not doing so when the application is not speed-sensitive
and you just want it to run quickly.


> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
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