[TUHS] shell PS1/PS2 which survive cut-paste

Steve Nickolas usotsuki at buric.co
Wed Dec 6 11:30:44 AEST 2017


On Wed, 6 Dec 2017, George Michaelson wrote:

> I tried a long time ago to set PS1 and PS2 to character sequences
> which would permit cut-paste to work. I failed, but I didn't try very
> hard.
>
> The choice of "# " and "> " interests me. Because roots prompt of
> "hash" has a side effect of making a cut-paste over it a comment in
> most shells.
>
> But.. it predates being *able* to cut-paste so it has to be a
> side-effect, not a design choice.
>
> "> " is more dangerous in cut-paste. Which again feels like a
> side-effect both by anachronistic time effects, and intent: nobody
> would be that suicidally mad to make cut-paste invoke shell
> pre-forming the command sequence which neccessarily zeros out the >
> targets before executing the cmd...
>
> -G
>

I think this is why rc used a ";" ?

Maybe use "; " for PS1 and "  " for PS2?

-uso.


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