Hi, thank you for your input. I am sorry I was bothering you, because I think I was a little too hasty with my question. For some reason, the print-statement is not executed realtime, but only after the while over filehandle INP is finished. I don't understand why this buffering occurs in this case as normally it doesn't, but the code works fine anyway.

In reply to Re^2: printf in if-statement by Utrecht
in thread printf in if-statement by Utrecht

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