1 package main
2 
3 import (
4 	"flag"
5 	"fmt"
6 	"log"
7 	"os"
8 	"strconv"
9 
10 	"9fans.net/go/acme"
11 )
12 
13 var (
14 	cl = flag.Bool("c", false, `Clear the tag`)
15 	gt = flag.Bool("g", false, `Get the content of the tag`)
16 )
17 
18 func open() (*acme.Win, error) {
19 	winid := os.Getenv("winid")
20 	id, err := strconv.Atoi(winid)
21 	if err != nil {
22 		return nil, err
23 	}
24 	win, err := acme.Open(id, nil)
25 	return win, err
26 }
27 
28 func usage() {
29 	me := os.Args[0]
30 	fmt.Println(me, "- manage acme(1) tag")
31 	fmt.Println("Usage:", me, " [-ch] [entries...]")
32 	fmt.Println(" where entries are words to be added to acme' tag bar")
33 	flag.PrintDefaults()
34 	os.Exit(1)
35 }
36 
37 func main() {
38 	flag.Usage = usage
39 	flag.Parse()
40 
41 	win, err := open()
42 	if err != nil {
43 		os.Exit(1)
44 	}
45 	defer win.CloseFiles()
46 
47 	if *gt {
48 		tag, err := win.ReadAll("tag")
49 		if err != nil {
50 			log.Fatalln(err)
51 		}
52 		fmt.Println(string(tag))
53 	}
54 
55 	if *cl {
56 		win.Ctl("cleartag")
57 	}
58 
59 	sep := ""
60 	for _, arg := range flag.Args() {
61 		_, err = win.Write("tag", []byte(sep+arg))
62 		sep = " "
63 	}
64 }