terminalcommand/godoc-helper.go

## godoc-helper.go
package main

import (
	"fmt"
	"html"
	"log"
	"net/http"
	"os/exec"
	"strings"
)

func main() {
	http.HandleFunc("/", handler)
	http.HandleFunc("/get", qhandler)
	log.Fatal(http.ListenAndServe("localhost:8000", nil))
}

func handler(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, `<!DOCTYPE html>
	<html>
	<head><title>Godoc Helper</title></head>
	<body>
	<h1>Godoc Helper</h1>
	<h2>Please enter your query</h2>
	<form action="/get" method="get">
	<label>Query: <input type="text" name="q" value="">
	</label>
	<input type="submit" value="Submit">
	</form>
	</body>
	</html>`)
}

func qhandler(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
		log.Print(err)
	}
	q := strings.Join(r.Form["q"], "")
	cmd := exec.Command("go", "doc", q)
	out, err := cmd.CombinedOutput()
	if err != nil {
		log.Printf("cmd.Run() failed with %s\n", err)
	}
	fmt.Fprintf(w, `<!DOCTYPE html>
	<html>
		<head><title>Godoc Helper</title></head>
		<body>
		<h1>Godoc Helper</h1>
		<h2>Please enter your query</h2>
		<form action="/get" method="get">
		<label>Query: <input type="text" name="q" value="">
		</label>
		<input type="submit" value="Submit">
		</form>`)
	fmt.Fprintf(w, strings.Join([]string{"<pre>", html.EscapeString(string(out)), "</pre>"}, ""))
	fmt.Fprintf(w, "</html>")
}
	package main

	import (
	"fmt"
	"html"
	"log"
	"net/http"
	"os/exec"
	"strings"
	)

	func main() {
	http.HandleFunc("/", handler)
	http.HandleFunc("/get", qhandler)
	log.Fatal(http.ListenAndServe("localhost:8000", nil))
	}

	func handler(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, `<!DOCTYPE html>
	<html>
	<head><title>Godoc Helper</title></head>
	<body>
	<h1>Godoc Helper</h1>
	<h2>Please enter your query</h2>
	<form action="/get" method="get">
	<label>Query: <input type="text" name="q" value="">
	</label>
	<input type="submit" value="Submit">
	</form>
	</body>
	</html>`)
	}

	func qhandler(w http.ResponseWriter, r *http.Request) {
	if err := r.ParseForm(); err != nil {
	log.Print(err)
	}
	q := strings.Join(r.Form["q"], "")
	cmd := exec.Command("go", "doc", q)
	out, err := cmd.CombinedOutput()
	if err != nil {
	log.Printf("cmd.Run() failed with %s\n", err)
	}
	fmt.Fprintf(w, `<!DOCTYPE html>
	<html>
	<head><title>Godoc Helper</title></head>
	<body>
	<h1>Godoc Helper</h1>
	<h2>Please enter your query</h2>
	<form action="/get" method="get">
	<label>Query: <input type="text" name="q" value="">
	</label>
	<input type="submit" value="Submit">
	</form>`)
	fmt.Fprintf(w, strings.Join([]string{"<pre>", html.EscapeString(string(out)), "</pre>"}, ""))
	fmt.Fprintf(w, "</html>")
	}