Truncating a file while it's being used (Linux)

Question

I have a process that\'s writing a lot of data to stdout, which I\'m redirecting to a log file. I\'d like to limit the size of the file by occasionally copying the current

Answer 1

instead of redirecting it to a file you could pipe it to a program that automatically rotates the file by closing it, moving it and opening a new one every time it gets too big.