oldk1331 wrote:
>
> On Wed, Jan 24, 2018 at 6:18 PM, 'Nasser M. Abbasi' via FriCAS -
> computer algebra system <[email protected]> wrote:
> >
> > Having the option to append to a spool file would be very useful to
> > many.
> >
> > There are many times, where one want to spool some commands,
> > then turn spool off for others, then later start to spool other
> > commands and so on.
> >
> > Now it is not possible to do, without manually going to the
> > command line, saving the old file somewhere and starting over,
> > then later merge the files manually again.
> >
> > Ideally, user should have an option when starting spool to
> > either overwrite the spool file if it exists, or to append to it. This gives
> > most flexibility.
>
> See the patch bollow.
>
> Now you can use
> )spool filename )append
> to append to the end of 'filename', and
> )spool filename )replace
> to replace the contents of 'filename'.
>
> Warning: according to http://clhs.lisp.se/Body/f_dribbl.htm
> DRIBBLE is implementation dependent.
> This patch works for me in SBCL, I didn't test for other lisps.
> We should use a more portable solution in the future.
Quick test shows that sbcl, clisp and Clozure CL append.
ecl and gcl overwrite. So the only way to get consistent
behaviour is to reject existing file...
--
Waldek Hebisch
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