package main import ( "flag" "fmt" "io/ioutil" "os" "github.com/cpuguy83/go-md2man/v2/md2man" ) var inFilePath = flag.String("in", "", "Path to file to be processed (default: stdin)") var outFilePath = flag.String("out", "", "Path to output processed file (default: stdout)") func main() { var err error flag.Parse() inFile := os.Stdin if *inFilePath != "" { inFile, err = os.Open(*inFilePath) if err != nil { fmt.Println(err) os.Exit(1) } } defer inFile.Close() // nolint: errcheck doc, err := ioutil.ReadAll(inFile) if err != nil { fmt.Println(err) os.Exit(1) } out := md2man.Render(doc) outFile := os.Stdout if *outFilePath != "" { outFile, err = os.Create(*outFilePath) if err != nil { fmt.Println(err) os.Exit(1) } defer outFile.Close() // nolint: errcheck } _, err = outFile.Write(out) if err != nil { fmt.Println(err) os.Exit(1) } }