Newbie question: Cell magic does not work in Jupyter lab, what am I doing wrong?

[Arin Basu]

Hi All,

I cannot seem to get bash working in Jupyter lab when I use an R console. For example, if I do:

```
%%bash
ls

It returns,

Error in parse(text = x, srcfile = src): <text>:1:1: unexpected SPECIAL
1: %%
```

Or if I do,

```
!ls 
```
It returns 
"
Error in !ls: invalid argument type"

I am using Jupyter Lab in Macbook Pro Osx 10.13.2 in Firefox Quantum beta update channel.
Jupyter lab version: 0.30

I have used the above commands in an R inferior process in the "code" block and tried to run them. 

Would greatly appreciate any advice.

Best,
Arin Basu

[Matthias Bussonnier]

Hi Arin, 

Magics are an IPython feature, not a Jupyter feature. They work only with the Python kernel and other kernels that have decided to implement similar mechanisme. 

The R kernel does not have magics. 

-- 

Matthias

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[Arindam Bose]

Thanks a million for this clarification!

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