Open/open.go

83 lines
2.0 KiB
Go

/*
open --- Super simple alternative to xdg-open
Copyright (c) 2022 Sameer Rahmani <lxsameer@gnu.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"bufio"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"strings"
"github.com/gabriel-vasile/mimetype"
)
func main() {
if len(os.Args) != 2 {
log.Fatal("'open' get's exactly one argument")
}
file := os.Args[1]
home := os.Getenv("HOME")
var prog string
mtype, err := mimetype.DetectFile(file)
if err != nil {
log.Fatalf("%v", err)
}
dirpath := home + "/.config/open/"
os.MkdirAll(dirpath, 0775)
opener_file := dirpath + mtype.Extension()
if _, err := os.Stat(opener_file); err == nil {
content, err := ioutil.ReadFile(opener_file)
if err != nil {
log.Fatalf("%v", err)
}
prog = strings.TrimSuffix(string(content), "\n")
} else {
fmt.Printf("Don't know how to open '%s' file. What program should I use? ", mtype.Extension())
reader := bufio.NewReader(os.Stdin)
prog_string, err := reader.ReadString('\n')
if err != nil {
log.Fatal(err)
}
prog_string = string(prog_string[0 : len(prog_string)-1])
prog = strings.Clone(prog_string)
s := []byte(prog_string)
err = ioutil.WriteFile(opener_file, s, 0644)
if err != nil {
log.Fatal(err)
}
}
command := strings.Split(prog, " ")
command = append(command, file)
fmt.Printf("Running command: '%s'\n", command)
out, err := exec.Command(command[0], command[1:]...).Output()
if err != nil {
log.Fatal(err)
}
fmt.Println(string(out))
}