On Tue, Jan 18, 2005 at 10:20:13PM -0500, John W. Eaton wrote:
> On 18-Jan-2005, Dirk Eddelbuettel <[EMAIL PROTECTED]> wrote:
>
> | I don't really know either, or I would have suggested it. We, as you know,
> | try to get by without environment variables. A Debian-only fix therefore
> | would be to talk to /usr/bin/sensible-editor, which is guaranteed to be
> | present. But that doesn't help in the general case for Octave.
> |
> | It may not be worth going overboard here. You could do some autoconf magic
> | to check for emacs, xemacs, vi and remember the choice. Or do that with
> | shell when the above is executed.
>
> That would be better, since the binary may be running on a system
> different from the one where configure was run.
>
> | In either event, I think it would be fair
> | to abort with a message "no editor found, tempfile in /tmp/$foo left for
> | manual continuation" or some such.
>
> I think we already do something like this:
>
> devzero:260> EDITOR=foobar octave-bug
> /usr/bin/octave-bug: line 226: foobar: command not found
> problems with edit -- no bug report submitted
> saving message in /home/jwe/dead-octave-bug-1
Right -- /usr/bin/R uses similar tricks to use env. vars when present, or or
default when not. It's a nice shell programming feature.
> OK, I just checked the bashbug script (which I used as the starting
> point for octave-bug way back when) and it now uses
>
> if [ -z "$DEFEDITOR" ] && [ -z "$EDITOR" ]; then
> if [ -x /usr/bin/editor ]; then
> DEFEDITOR=editor
> elif [ -x /usr/local/bin/ce ]; then
> DEFEDITOR=ce
> elif [ -x /usr/local/bin/emacs ]; then
> DEFEDITOR=emacs
> elif [ -x /usr/contrib/bin/emacs ]; then
> DEFEDITOR=emacs
> elif [ -x /usr/bin/emacs ]; then
> DEFEDITOR=emacs
> elif [ -x /usr/bin/xemacs ]; then
> DEFEDITOR=xemacs
> elif [ -x /usr/contrib/bin/jove ]; then
> DEFEDITOR=jove
> elif [ -x /usr/local/bin/jove ]; then
> DEFEDITOR=jove
> elif [ -x /usr/bin/vi ]; then
> DEFEDITOR=vi
> else
> echo "$0: No default editor found: attempting to use vi" >&2
> DEFEDITOR=vi
> fi
> fi
>
> : ${EDITOR=$DEFEDITOR}
>
> so I'll copy this method.
*Much* better. Good choice.
Dirk
--
Better to have an approximate answer to the right question than a precise
answer to the wrong question. -- John Tukey as quoted by John Chambers
--
To UNSUBSCRIBE, email to [EMAIL PROTECTED]
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
