whatcanGOwrong

go/pkg/mod/github.com/cpuguy83/go-md2man/v2@v2.0.2/md2man.go

@@ -0,0 +1,51 @@
+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)
+	}
+}