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package iochan
import (
"bufio"
"io"
)
// DelimReader takes an io.Reader and produces the contents of the reader
// on the returned channel. The contents on the channel will be returned
// on boundaries specified by the delim parameter, and will include this
// delimiter.
//
// If an error occurs while reading from the reader, the reading will end.
//
// In the case of an EOF or error, the channel will be closed.
//
// This must only be called once for any individual reader. The behavior is
// unknown and will be unexpected if this is called multiple times with the
// same reader.
func DelimReader(r io.Reader, delim byte) <-chan string {
ch := make(chan string)
go func() {
buf := bufio.NewReader(r)
for {
line, err := buf.ReadString(delim)
if line != "" {
ch <- line
}
if err != nil {
break
}
}
close(ch)
}()
return ch
}
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