如何执行命令来执行sed

Question

I have the following snippet that is not working. Compiles but does not do what it is supposed to. Executing the same command on bash works. Why?

hash:="4ab32de"
cmd = "sed -i -e 's/clt_[0-9a-z]*/clt_"+hash+"/g' /tmp/test.env"
    parts = strings.Fields(cmd)
    for _, part :=range parts {
        fmt.Printf("
%s",part)
    }

    head = parts[0]
    out, err = exec.Command(head,parts[1:]...).Output()
    fmt.Printf("
new cmd is %s
",cmd)
    fmt.Printf("out:%s",string(out))

The output of parts is perfect, like this

sed
-i
-e
's/clt_[0-9a-z]*/clt_4ab32de/g'
/tmp/test.env

Answer 1

The exec package doesn't use the shell, so take out all quotes (and escapes). In your case, remove the single quotes.