Add export format: "markdown"

main.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"html"
 	"html/template"
+	"io"
 	"log"
 	"net/http"
 	"net/url"
@@ -441,6 +442,15 @@ func (h *indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 	}()
 
+	format := r.URL.Query().Get("format")
+	if format == "" {
+		format = "html"
+	}
+
+	if !(format == "html" || format == "markdown") {
+		http.Error(w, "unknown format", http.StatusBadRequest)
+	}
+
 	page := r.URL.Path[1:]
 	if page == "" {
 		page = "Home"
@@ -501,8 +511,8 @@ func (h *indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		pageText = builder.String()
 	}
 
+	if format == "html" {
 		pageText = renderLinks(pageText)
-
 		pageText = renderMarkdown2(pageText)
 
 		pageBase := getPageBase()
@@ -526,7 +536,12 @@ func (h *indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			// http.Error(w, err.Error(), 500)
 			return
 		}
-
+	} else if format == "markdown" {
+		_, err = io.WriteString(w, "# ")
+		_, err = io.WriteString(w, cleanTitle(page))
+		_, err = io.WriteString(w, "\n\n")
+		_, err = io.WriteString(w, pageText)
+	}
 }
 
 func renderLinks(pageText string) string {