65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"strings"
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"github.com/gabriel-vasile/mimetype"
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)
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func main() {
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if len(os.Args) != 2 {
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log.Fatal("'open' get's exactly one argument")
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}
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file := os.Args[1]
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home := os.Getenv("HOME")
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var prog string
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mtype, err := mimetype.DetectFile(file)
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if err != nil {
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log.Fatalf("%v", err)
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}
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dirpath := home + "/.open/"
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os.MkdirAll(dirpath, 0775)
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opener_file := dirpath + mtype.Extension()
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if _, err := os.Stat(opener_file); err == nil {
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content, err := ioutil.ReadFile(opener_file)
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if err != nil {
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log.Fatalf("%v", err)
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}
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prog = string(content)
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} else {
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fmt.Printf("Don't know how to open '%s' file. What program should I use? ", mtype.Extension())
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reader := bufio.NewReader(os.Stdin)
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prog_string, err := reader.ReadString('\n')
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if err != nil {
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log.Fatal(err)
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}
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prog_string = string(prog_string[0 : len(prog_string)-1])
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prog = strings.Clone(prog_string)
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s := []byte(prog_string)
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err = ioutil.WriteFile(opener_file, s, 0644)
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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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command := strings.Split(prog, " ")
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out, err := exec.Command(command[0], command[1:]...).Output()
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(string(out))
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}
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