stty erase '^?' in v7
Will Senn
will.senn at gmail.com
Sat Oct 14 14:48:08 AEST 2017
On 10/13/17 11:25 PM, Noel Chiappa wrote:
> > From: Will Senn
>
> > 1. How do you escape # in order to write a C program if # is the erase
> > character in the terminal?
>
> "Use the source, Luke!" V7 is simple enough that it's pretty quick to find
> the answers to things like this. E.g.
>
> http://minnie.tuhs.org/cgi-bin/utree.pl?file=V7/usr/sys/dev/tty.c>
>
> will answer this question (in "canon()").
Duh! I see it now... backslash. All that cooked and raw stuff is
gobbledegook that I'll have to read up on.
> > 3. Is there a way to echo the ascii value of a keypress in v7?
>
> A quick look through tty.c suggests this doesn't exist in V7 - without running
> a user program that puts the TTY in 'raw' mode and prints out what it
> sees. Not sure if there is one off the rack, or if you'd have to whip up a
> 20-line program to do it.
>
> Noel
Maybe later :).
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