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How do you perform a non-blocking read from standard input?
I want to write an interactive script that I am going to run from a command-line. I want it to do things and read input keystrokes that may be present at the same time. To do this, I believe the best way would be to setup a tight loop that alternated between testing if there are any characters on the input and going on with it's tasks at the same time. In order to do that I would need a call (similar to the flock non-blocking flag) that would tell me if new input is present yet and return immediately if it is not. Any ideas? In reply to Non-blocking read by tomazos
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