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tee: fix incorrect comment about flush #12540

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tee: fix incorrect comment about flush #12540

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2 changes: 1 addition & 1 deletion src/uu/tee/src/tee.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@ fn tee(options: &Options) -> Result<()> {
return Ok(());
}

// We cannot use std::io::copy here as it doesn't flush the output buffer
// don't use io::copy since content of 1 read should be immediately written for posix requirement
let res = match output.copy_unbuffered() {
// ErrorKind::Other is raised by MultiWriter when all writers
// have exited, so that copy will abort. It's equivalent to
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