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29 lines
495 B
29 lines
495 B
10 years ago
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package main
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import (
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"fmt"
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"io"
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"os"
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"crypto/md5"
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)
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// mustHashBinarySelf computes MD5SUM of a binary file on disk
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func hashBinary(progName string) (string, error) {
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h := md5.New()
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file, err := os.Open(progName) // For read access.
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if err != nil {
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return "", err
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}
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io.Copy(h, file)
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return fmt.Sprintf("%x", h.Sum(nil)), nil
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}
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// mustHashBinarySelf computes MD5SUM of its binary file on disk
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func mustHashBinarySelf() string {
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hash, _ := hashBinary(os.Args[0])
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return hash
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}
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