Can I issue command line prompts and read the output with the OF app?

@samuset wrote:

I know I can use system() or ofSystem() to issue command line prompts on OSX and Windows, but is there any way to read the output of the command inside the OF app?

For instance, running a command line tool and reading the text it outputs:

$ ./zxing --more 2019_07_01_15_54_42.jpg
  Format: QR_CODE
  Point[0]: 320 6253.25
  Point[1]: 318.5 5814
  Point[2]: 767.5 5795.5
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