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51 lines
1.0 KiB
51 lines
1.0 KiB
package main
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"path"
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"strings"
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"github.com/kardianos/osext"
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)
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func main() {
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// Find location of executable with kardianos/osext
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exeFolder, err := osext.ExecutableFolder()
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if err != nil {
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log.Fatal(err)
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}
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//
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// These will require that the executable is in a directory within the $PATH
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// Find location of executable with Args[0] and exec.LookPath
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// Requires import of os, os/exec, and path
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argZero := os.Args[0]
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exePath, err := exec.LookPath(argZero)
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if err != nil {
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log.Fatal(err)
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}
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lookPath := path.Dir(exePath)
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// Walk the path environment locally
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walkPath := pathWalker(os.Args[0])
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// Output to comapre the results
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fmt.Printf("osext.ExeFolder : %s\n", exeFolder)
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fmt.Printf("exec.LookPath : %s\n", lookPath)
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fmt.Printf("local walkPath : %s\n", walkPath)
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}
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func pathWalker(file string) string {
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path := os.Getenv("PATH")
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for _, dir := range strings.Split(path, ":") {
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exe := dir + "/" + file
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if _, err := os.Stat(exe); err == nil {
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return dir
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}
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}
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return "not found"
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}
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