Hi misc@ and Anton, This is a continuation of https://marc.info/?t=152277773500003&r=1&w=2 from April:
On Wednesday, April 4, 2018 2:01 AM, Anton Lindqvist <an...@openbsd.org> wrote: > On Tue, Apr 03, 2018 at 01:45:13PM -0400, Tinker wrote: > > I looked around for advise for how to make ctrl+L get bash's behavior > > of first clearing the screen and then redrawing the current command > > prompt including content that has been typed. > > "bind -m '^L'=clear'^J'" is a partial solution to this problem as it > > will have that effect but only if the command line is empty. > > If the command line is not empty then instead the text "clear" will be > > typed into it, and an enter key press will be emulated. > > Is there any way to give ksh the clear+redraw behavior also when typing > > started, so same independent of whether typing started or not i.e. just > > like in bash? > > Try this one: bind -m '^L'=^Uclear'^J^Y' Thank you so much for coming up with this one. It does work as advertised - it clears the screen while keeping the content and cursor position in the command line. I just realized that it does one inadvertent thing though: It adds a line to ksh's history with the text "clear", which will surprise you and unnecessarily steal some attention next time you press the up arrow. I found this thread https://marc.info/?t=153299615600004&r=1&w=2 which discusses how to get the "clear" out of the ksh history file, and, the trick described there also applies to the history - great! So your suggestion above is amended with: bind -m '^L'=^U clear'^J^Y' HISTCONTROL=ignorespace I find the notion of using space prefix as ignore condition just a bit primitive and with a very big risk of unintentional trigging, e.g., if you paste a script in your shell its indentation would make it ignored. Could some other ^ shortcut be an ignore-this-line-from-history marker? ^I as in ignore, "bind -m '^L'=^U^Iclear'^J^Y'" :) Anyhow it works - great, thanks again for pointing out. Tinker
