rshell is a command-line interface for Nspire using the RS232 port.

It has the ability to launch ndless executables and pass C's argc and argv to them.

I have included some programs for filesystem operations:

ls - list content of a directory
cp - Copy a file
mkdir - Create a directory
stat - Show size and type of a file
rm - Remove a file (for some reason buggy sometimes)

All these commands are in their own TNS-File that has to be located in /documents/bin or the current directory.

Built-in commands are:

cd - Change directory
exit - Exit rshell

Demonstration:

ls
A:\documents\>ls.tns
.\
..\
Examples\
bin\
A:\documents\>ls.tns /
dev\
tmp\
phoenix\
documents\
ti84\
logs\
widgets\
cp
A:\documents\>cp.tns
USAGE: cp.tns SOURCE DESTINATION
Copies a file from SOURCE to DESTINATION.
A:\documents\>cp.tns bin/stat.tns copied.tns
A:\documents\>ls.tns
.\
..\
Examples\
bin\
copied.tns
mkdir
A:\documents\>mkdir.tns
USAGE: mkdir.tns NAME
Creates a directory named NAME.
A:\documents\>mkdir.tns lol
A:\documents\>ls.tns
.\
..\
Examples\
bin\
copied.tns
lol\
stat
A:\documents\>stat.tns
USAGE: stat.tns FILE
Shows stat data for FILE.
A:\documents\>stat.tns copied.tns
Mode: File
Size: 0 KBytes(Shows 0KB here, because it is smaller than 0.5KB and got rounded down...)

rm
A:\documents\>rm.tns
USAGE: rm.tns FILE
Removes the FILE.
A:\documents\>rm.tns copied.tns
A:\documents\>ls.tns
.\
..\
Examples\
bin\
lol\
cd
A:\documents\>cd examples
A:\documents\examples\>cd ..
A:\documents\>cd /
A:\>cd phoenix
A:\phoenix\>cd /documents
A:\documents\>cd \
A:\>

This is even more than awesome, really nice indeed !

WANT. Also, any chance of integrating such a shell into the nspire without the RS232?

Maybe I can use one of my older projects for on-screen output and keyboard input, it shouldn't be too hard to integrate.

yay, because that's been something I've wanted for a while.

Oh, also, if we cp to a non-tns name, will it then not show up in the menu, but still be in the calc? That would rock.

Yes, files with a non-tns extension will not be shown by the document browser, but you can "hack" the OS

Nice job, compu!
Just one question though: does this require Ndless?

Awwwww
Oh well... Still, great job!!!

I'd bet on it: Lua doesn't have any RS232 support as far as I'm aware, so it'd have to be ndless.

Lua has a function to send data via RS232, but you can't receive any data with it. So yes, this requires Ndless.

Ndless for 3.0 will come, just wait!

Lua + C would be awesome

so, TI essentially set up the RS232 to be a shell, and ended it at that? Or is it just marked as stdout?

How hard would it be for you to integrate rshell into the calc if there was a way to display whatever went into and out of RS232 on-screen, in a terminal-like fashion? Just curious.