[r-node-users] Update to R-Node. File Upload

[Jamie Love]

Hi All,

File uploading is now possible with R-Node. The basis is in - you can
upload any file from disk and either get R to try and load it (basic
'read.table()' call), or load it yourself. There is server controls to
turn this on/off, and limit maximum file size.

A few things left to do on it include:

1/ Having the client ask the server what features are available, and
adjusting the UI to suit.
2/ Being more clever with the auto-loading of data uploaded.
3/ Possibly limiting users ability to access the file (i.e. always
load into R automatically)

I'm also planning support retrieving data from web services/web APIs.
that should be lots of fun.


Note I've disabled this feature on the demo system as I'm not sure I
like the security concerns.

Regards
Jamie


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