rlwrap options to work with matlab about rlwrap HOT 19 CLOSED

Hi, I had to do this with brew :

$ brew link -v --force readline
Linking /usr/local/Cellar/readline/7.0.3_1...
ln -s ../Cellar/readline/7.0.3_1/include/readline readline
ln -s ../../Cellar/readline/7.0.3_1/share/doc/readline readline
ln -s ../../Cellar/readline/7.0.3_1/share/info/history.info history.info
info /usr/local/share/info/history.info
ln -s ../../Cellar/readline/7.0.3_1/share/info/readline.info readline.info
info /usr/local/share/info/readline.info
ln -s ../../Cellar/readline/7.0.3_1/share/info/rluserman.info rluserman.info
info /usr/local/share/info/rluserman.info
ln -s ../../../Cellar/readline/7.0.3_1/share/man/man3/history.3 history.3
ln -s ../../../Cellar/readline/7.0.3_1/share/man/man3/readline.3 readline.3
ln -s ../Cellar/readline/7.0.3_1/share/readline readline
ln -s ../Cellar/readline/7.0.3_1/lib/libhistory.7.0.dylib libhistory.7.0.dylib
ln -s ../Cellar/readline/7.0.3_1/lib/libhistory.7.dylib libhistory.7.dylib
ln -s ../Cellar/readline/7.0.3_1/lib/libhistory.a libhistory.a
ln -s ../Cellar/readline/7.0.3_1/lib/libhistory.dylib libhistory.dylib
ln -s ../Cellar/readline/7.0.3_1/lib/libreadline.7.0.dylib libreadline.7.0.dylib
ln -s ../Cellar/readline/7.0.3_1/lib/libreadline.7.dylib libreadline.7.dylib
ln -s ../Cellar/readline/7.0.3_1/lib/libreadline.a libreadline.a
ln -s ../Cellar/readline/7.0.3_1/lib/libreadline.dylib libreadline.dylib
16 symlinks created

And now the configuration and build worked :)

from rlwrap.

In most cases where rlwrap doesn't seem to do anything at all one needs to add the --always-readline (-a) option.

$ rlwrap -a -c -m " \ " -H "$MATLAB/history.m" matlab -nodesktop -nosplash

This should work, but then, if the rlwrapped program ever asks for single keypresses, like in: really burn your house? Y/N you will have to always follow this single keypress with ENTER, which quickly becomes annoying (though it might save your house)

Therfore, it is often better to get the rlwrapped program to not do any line editing, and to omit the -a option. With node, for example, one can do:

$ NODE_NO_READLINE=1 rlwrap node

I don't know whether matlab has a similar option or environment variable.

from rlwrap.

First, on MacOS, you have to give an argument for each option otherwise -a -c will be interpreted as -a=c

What option can I give to -a ?

Second, if rlwrap does not do the line editing, what else do I need it for ?

from rlwrap.

What option can I give to -a ?

Anything will do, but use something that is not likely to ever show up as a prompt

rlwrap -a xxxxx -c -m " \ " -H "$MATLAB/history.m" matlab -nodesktop -nosplash

Second, if rlwrap does not do the line editing, what else do I need it for ?

I wrote: "Therefore, it is often better to get the rlwrapped program to not do any line editing". The rlwrapped program is matlab, not rlwrap itself. So rlwrap is doing the line editing, while matlab shouldn't be doing any.

from rlwrap.

You're right, I misunderstood the second part, sorry.

On Linux, what is the default argument set by your rlwrap binary for the -a option ?
Maybe I can use the same argument on MacOS.

from rlwrap.

On Linux, what is the default argument set by your rlwrap binary for the -a option ?

There is none. (internally, rlwrap will use the NULL pointer to signal that -a didn't have an argument, but you cannot give that as an argument). I would use a nonsense string like dusynqwue7sid

from rlwrap.

How about an empty string, like this : -a "" ?

from rlwrap.

It does not seem to work with an empty string :(

Trying with a nonsense string ...

from rlwrap.

Everything works with : -a any, except Ctrl+D

Do you have any idea why Ctrl+D does not work ?

from rlwrap.

Do you have any idea why Ctrl+D does not work ?

No. It happens sometimes (usually on non-glibc systems) but I have never looked into it.

Can you run rlwrap with the --debug option? If not, can you compile it yourself?

If so, you could help me with

$ rlwrap --debug -a xxxxx -c -m " \ " -H "$MATLAB/history.m" matlab -nodesktop -nosplash

and then sending me the resulting /tmp/rlwrap.debug

from rlwrap.

I need to rebuild it

from rlwrap.

Having issues configuring :

configure: checking for pty ranges...
checking for tgetent... no
checking for tgetent in -ltinfo... no
checking for tgetent in -lcurses... yes
checking for readline in -lreadline... yes
checking for tigetnum... yes
checking readline/readline.h usability... yes
checking readline/readline.h presence... yes
checking for readline/readline.h... yes
checking whether your readline headers and library know about rl_set_screen_size... yes
checking whether your readline headers and library know about rl_basic_quote_characters... no
configure: error:

********************************************************************************
The readline library that I found is incomplete, probably just a wrapper
around libedit (like on Mac OS X) Please install GNU Readline and re-configure
with the correct CFLAGS and LDFLAGS (cf. the instructions in INSTALL)
********************************************************************************

$  brew list | grep readline
readline

from rlwrap.

Here is my configure command, can you help ?

$ ./configure --prefix=/usr/local --exec-prefix=/usr/local CFLAGS=-I/usr/local/include CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib --enable-debug

from rlwrap.

Your configure command looks OK, provided you have the real (GNU) readline installed under /usr/local. In OS X, the default readline library is (for copyright reasons) only an incomplete emulation of GNU readline (actually a thin wrapper around editline)

If you manage to install GNU readline (maybe using brew) you should substitute its location for the /usr/local in your configure command, so that it can pick up the right readline library.

from rlwrap.

I already installed readline using brew :

$ brew list | grep readline
readline

Next Tuesday (this comming Monday is off), I'll check it's location to see if brew installed it in /usr/local

from rlwrap.

Here is the rlwrap.debug

from rlwrap.

BTW: Matlab completion does not work with rlwrap.
That is the most annoying, actually.

from rlwrap.

Thanks for the debug file. rlwrap indeed loses the original Matlab completion. There are ways to get this completion back, cf the StackOverflow question A node shell based on gnu readline

from rlwrap.

The only unsolved issue in this exchange is CTRL+D not working, which I cannot reproduce right now. Closing.

from rlwrap.