20 lines
297 B
Go
20 lines
297 B
Go
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package file
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import (
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"crypto/sha1"
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"encoding/hex"
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"io/ioutil"
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)
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// SHA1 returns the SHA1 of a file.
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func SHA1(filename string) string {
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hasher := sha1.New()
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s, err := ioutil.ReadFile(filename)
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if err != nil {
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return ""
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}
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hasher.Write(s)
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return hex.EncodeToString(hasher.Sum(nil))
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}
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