How to read at least N bytes in Go

Question

How do you ensure you get at least n bytes when reading from a file in Go? The function seems to return the number of bytes you got, but I would rather just wait until more bytes are available. Is this possible without doing a bunch of manual plumbing?

Krzysztof Kowalczyk · Accepted Answer · 2011-10-11 01:13:11Z

3

Use io.ReadAtLeast() function: http://golang.org/pkg/io/#ReadAtLeast

answered Oct 11, 2011 at 1:13

Krzysztof Kowalczyk

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1 Comment

Evan Shaw Over a year ago

io.ReadFull is often more convenient. (It's just a wrapper around io.ReadAtLeast anyway.)

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