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24 lines
375 B
Go
24 lines
375 B
Go
4 years ago
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package iox
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import "os"
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// RedirectInOut redirects stdin to r, stdout to w, and callers need to call restore afterwards.
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func RedirectInOut() (restore func(), err error) {
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var r, w *os.File
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r, w, err = os.Pipe()
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if err != nil {
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return
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}
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ow := os.Stdout
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os.Stdout = w
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or := os.Stdin
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os.Stdin = r
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restore = func() {
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os.Stdin = or
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os.Stdout = ow
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}
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return
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}
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