How do I grab data froma streaming output

[davydr]

I am trying to grab data after I see a particular string in the output of data. I need to grab the next four characters and place this in a file in a line by itself. Is this possible? If I were to create a capture file the data would be too large and too late.

 

[knob]

Probably the best way is to use when target or if waitfor to detect that the string has been received, then use the rget command to read the next four characters. Keep in mind this will keep those characters from appearing on the screen.

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