Dear all,
I have a shiny application that allows me to launch a java program, after specifying different parameters values and input files. I launch this java program using the R command 'system'. This java program returns information in the R console window. I'd like to redirect this display directly to shiny. And to have this display not at the end of program execution but really in real-time. How can I do this?
Thank you for your help !
If you invoke it with the intern argument true, it will return what was going to the console as a character vector. So you want something like java_out <- system("my java program", intern = TRUE). You'll need to put an output widget in your UI and convert the character vector (one entry per line of program output) into whatever the output widget wants.
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