36 lines
588 B
Go
36 lines
588 B
Go
// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
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package utils
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"golang.org/x/sys/unix"
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)
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var _ = fmt.Print
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func Which(cmd string) string {
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if strings.Contains(cmd, string(os.PathSeparator)) {
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return ""
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}
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path := os.Getenv("PATH")
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if path == "" {
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return ""
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}
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for _, dir := range strings.Split(path, string(os.PathListSeparator)) {
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q := filepath.Join(dir, cmd)
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if unix.Access(q, unix.X_OK) == nil {
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s, err := os.Stat(q)
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if err == nil && !s.IsDir() {
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return q
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}
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}
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}
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return ""
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}
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