Remove 404 urls and add script to find these 404 urls

data/404_urls.txt

@@ -0,0 +1,6 @@
+https://github.com/chrislonng/dbr
+https://github.com/commondream/yamlast
+https://github.com/leviathan1995/dbsl
+https://github.com/senseijack/apiparser
+https://github.com/sharonjl/flint
+https://github.com/wpj/fsql

data/check_urls.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"log"
+	"os"
+	"bufio"
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	f, err := os.Open("urls.txt")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer func() {
+		if err = f.Close(); err != nil {
+			log.Fatal(err)
+		}
+	}()
+	scanner := bufio.NewScanner(f)
+	for scanner.Scan() {
+		client := &http.Client{}
+		url := fmt.Sprintf(scanner.Text())
+		req, _ := http.NewRequest("GET", url, nil)
+		req.Proto = "HTTP/1.0"
+		resp, err := client.Do(req)
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode != 200 {
+			fmt.Printf("\n%s", url)
+		}
+    }
+
+    if err := scanner.Err(); err != nil {
+        log.Fatal(err)
+    }
+
+}

data/urls.txt

@@ -19,11 +19,9 @@ https://github.com/bridgevine/wsdlgo
 https://github.com/centimitr/namespace
 https://github.com/cheekybits/genny
 https://github.com/chimeracoder/gojson
-https://github.com/chrislonng/dbr
 https://github.com/cihangir/geneddl
 https://github.com/clipperhouse/gen
 https://github.com/cloudflare/goser
-https://github.com/commondream/yamlast
 https://github.com/compasses/mockxserver
 https://github.com/dameleon/structr
 https://github.com/dave/jennifer
@@ -84,7 +82,6 @@ https://github.com/knetic/presilo
 https://github.com/knetic/presiloexecutable
 https://github.com/knq/xo
 https://github.com/kyleconroy/antlrs
-https://github.com/leviathan1995/dbsl
 https://github.com/lifeibest/generate-struct
 https://github.com/lileio/lile
 https://github.com/marcusljx/grpcgen-go
@@ -118,8 +115,6 @@ https://github.com/sasha-s/goimpl
 https://github.com/savaki/genpdf
 https://github.com/sbosnick/dibuilder
 https://github.com/schemalex/schemalex
-https://github.com/senseijack/apiparser
-https://github.com/sharonjl/flint
 https://github.com/sheenobu/rxgen
 https://github.com/sjhitchner/sqltype
 https://github.com/src-d/proteus
@@ -135,7 +130,6 @@ https://github.com/viktorasm/gontractor
 https://github.com/wantedly/pq2gorm
 https://github.com/wicast/xj2s
 https://github.com/wookesh/deepcopy
-https://github.com/wpj/fsql
 https://github.com/wxd237/xml2struct
 https://github.com/yvasiyarov/swagger
 https://github.com/zencoder/gokay