Re: [Gnuplot-info] efficient history search

[Jefferson S. E. P. <st...@gm...>]

Thx a lot, Hernán.

I didn't know of the term 'readline', now I could google the problem
properly. :)

So you're right, it's by compiling from source, with the appropriate
option, that the problem is solved (something to do with licenses in
debian and, by extension, ubuntu, that prevent them from including
readline in the default installation, see
/usr/share/doc/gnuplot/README.Debian - as pointed out in
http://lists.debian.org/debian-science/2005/08/msg00081.html ).

Apart from that, there is a (relatively) quick workarond: rlwrap (
http://ubuntuforums.org/archive/index.php/t-102524.html ). After
installing rlwrap, for it's not included by default on ubuntu, I get
the missing readline functionalities by running
rlwrap -acN gnuplot
(no guarantees about the options, but probably at least '-c',
--complete-filenames, should be there).

For my needs (efficient search) it is important to notice that those
bindings I mentioned in the initial post,
bind '"\e[5~": history-search-backward'
bind '"\e[6~": history-search-forward'
in the .bashrc, doesn't seem to be recognized by rlwrap, even it the
option  -t bash  (didn't try it much, though, maybe it's possible to
make it work somehow), but they do work when the equivalent lines in
the
/etc/inputrc
were uncommented.

Last, but not least, gnuplot seems to store white spaces in its
history file as "\040"s, which are not retrieved any more as white
spaces when using gnuplot with rlwrap, but that can be easily solved
by substituting \040 by white spaces in the file. Good news is that
gnuplot used without rlwrap doesn't seem to have problems reading the
modified file, not so good news is that then (i.e., using gnuplot
without rlwrap) the white spaces in the file will be back to \040's...

Cheers,
Stafusa


On Sun, Jul 3, 2011 at 6:22 AM, Hernán Gonzalo Asorey <as...@gm...> wrote:
> Hi,
> Gnuplot 4.4 binaries included in ubuntu do not support full readline
> features. I always manage that issue by installing gnuplot from source.
> Download sources from www.gnuplot.info
> Compile and link it using gnu readline option:
> cd gnuplot
> ./configure --with-readline=gnu
> make
> sudo make install
> this should solve your problems. I don't know if there are other way to fix
> the original gnuplot binaries distributed with ubuntu.
> Cheers,
> Hernán
>