From: rjc@math.Princeton.EDU (Raymond Chen)
To: rc@archone.tamu.edu
Subject: Re: Ctrl-L in editline
Date: Sat, 8 Feb 1992 15:33:11 -0600 [thread overview]
Message-ID: <9202082133.AA23376@math.princeton.edu> (raw)
malte@techfak.uni-bielefeld.de claims that Ctrl-L should clear the entire
screen instead of merely redrawing the current line.
I forcefully disagree. Why should Ctrl-L clear the screen? Ctrl-L in
emacs, vi, and most curses-based programs is the ``redraw current
screen'' command, not the ``clear current screen'' command. Since
editline's ``screen'' is but a single line, it should redraw only that
line.
Imagine: I've just received a `talk' request. My friend Byron is
coming in from a machine I've never seen before with a complicated
name, so I have to type his address in very carefully.
talk tbrakitz@phoe
and *BLAM* some line noise hits my modem. I want to get rid of the line
noise, so I type Ctrl-L to get readline to reprint my current command.
But wait, that Ctrl-L also zapped my current screen! Ugh, that also
erased byron's address! I'm hosed!
If you want the screen to clear, type ``clear''. Thank you.
ObRcHack: Set your prompt to
prompt = ('; ' ':\010')
This way, continuation lines are prompted with a `:', but the `:'
is erased by your typing. You get the benefit of a prompt (to let
you know you miscounted your quotation marks), yet the prompt doesn't
stop you from snarfing-and-barfing. (If you want to type a blank
line, remember to type `space backspace enter' instead.)
reply other threads:[~1992-02-08 21:34 UTC|newest]
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