1 package main
2
3 import (
4 "flag"
5 "fmt"
6 "io/ioutil"
7 "os"
8
9 "github.com/cpuguy83/go-md2man/v2/md2man"
10 )
11
12 var (
13 inFilePath = flag.String("in", "", "Path to file to be processed (default: stdin)")
14 outFilePath = flag.String("out", "", "Path to output processed file (default: stdout)")
15 )
16
17 func main() {
18 var err error
19 flag.Parse()
20
21 inFile := os.Stdin
22 if *inFilePath != "" {
23 inFile, err = os.Open(*inFilePath)
24 if err != nil {
25 fmt.Println(err)
26 os.Exit(1)
27 }
28 }
29 defer inFile.Close()
30
31 doc, err := ioutil.ReadAll(inFile)
32 if err != nil {
33 fmt.Println(err)
34 os.Exit(1)
35 }
36
37 out := md2man.Render(doc)
38
39 outFile := os.Stdout
40 if *outFilePath != "" {
41 outFile, err = os.Create(*outFilePath)
42 if err != nil {
43 fmt.Println(err)
44 os.Exit(1)
45 }
46 defer outFile.Close()
47 }
48 _, err = outFile.Write(out)
49 if err != nil {
50 fmt.Println(err)
51 os.Exit(1)
52 }
53 }
54
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