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I know how to create a pdf or png from a displayed plot in shiny and make it available for download (if the user clicks on a button, for instance), but is it possible to send it to a - physical - printer? I.e. the user clicks on a button and the standard Print dialog comes in, after selecting the printer, the plot is sent - instead of a pdf or png - to the printer.

Tamas Ferenci
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    Have a look at https://stackoverflow.com/q/33047488/5784831 – Christoph Apr 30 '18 at 20:09
  • @Christoph Thanks! Apart from the fact that I don't know how `shell` would work through shiny, it is only solution for something that can be - meaningfully - sent to `notepad.exe`, so not a figure (plot) that I'd need... – Tamas Ferenci Apr 30 '18 at 20:13
  • Perhaps save the picture as e.g. png. Then use shell command from r to send it to the printer. If you Need more help a reproducible example would help. – Christoph Apr 30 '18 at 20:27
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    My problem with this shell command approach is that everything I run as a shell command in shiny will be run _on the server_ (as far as I know), so even if it works, it would print on the server's printer... – Tamas Ferenci Apr 30 '18 at 22:03

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