Mail Archives: cygwin/2005/05/10/11:47:38
> > Now my question - why can't cygwin have sane defaults for the tty, so that
> > this question doesn't continue to pop up?
>
> What's a sane setting? When I open a standard bash console window, this
> simply doesn't happen. Is $TERM set to "cygwin"? That's the default
> setting and, as noted, backspace works as expected here. I tried it with
> `rm -i' but the file didn't get removed when entering "y\bn". So what?
>
I think I may have a culprit. When I run bash in a cmd window:
$ [ctrl-v][backspace]
^H
$ echo $TERM
cygwin
When I run it in an rxvt or xterm window:
$ [ctrl-v][backspace]
^?
$ echo $TERM
xterm
/etc/profile (actually etc/defaults/etc/profile) needs to be updated like so, to match the current default behavior of the cygwin terminal settings:
--- /etc/defaults/etc/profile.orig 2005-03-25 08:50:00.003125000 -0700
+++ /etc/defaults/etc/profile1 2005-05-10 09:40:05.474375000 -0600
@@ -1,4 +1,4 @@
-# base-files version 3.2-1
+# base-files version 3.2-1 -*- sh -*-
# WARNING
#
@@ -101,7 +101,12 @@
$ '
if tty --quiet ; then
- stty erase '^?'
+ case "$TERM" in
+ cygwin ) stty erase ^H ;;
+ xterm* | rxvt* ) stty erase '^?' ;;
+ * ) # unknown terminal type, don't set erase
+ ;;
+ esac
fi
;;
ksh* | -ksh* | */ksh* | \
Actually, it would be nicer if $TERM of cygwin could treat [backspace] as ^? [0x255] (ASCII delete) like xterm does, since both cygwin and xterm treat [delete] as ^[[3~ [ESC - [ - 3 - ~] rather than ^?. That way, even a cygwin terminal could see the difference between [ctrl-h] and [backspace], which is a MUST for `emacs -nw'. But I don't know where to look in the cygwin1.dll source code to make that sort of change.
--
Eric Blake
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