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Julia Evans

I think I have finally managed to articulate this very fundamental but slightly counterintuitive fact about how shell redirection works

when you redirect, the shell opens the file BEFORE the program starts sudo echo blah > file.txt first I'll open file.txt... THEN I'll run sudo echo blah this is why file.txt isn't opened as root!
May 23, 2025, 06:24 PM·Public·Ivory for iOS
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