sjansen/mecha

package main

import (
    "fmt"
    "os/exec"
)

var COMMANDS = []string{
    "go", "mecha", "python2.7", "python3", "source", "virtualenv",
}

func main() {
    var width int
    for _, cmd := range COMMANDS {
        if width < len(cmd) {
            width = len(cmd)
        }
    }
    for _, cmd := range COMMANDS {
        path, err := exec.LookPath(cmd)
        if err != nil {
            path = "not found"
        }
        fmt.Printf("  %-*s  %s\n", width, cmd, path)
    }
}