From 8af597fdcf19b044a31947134d017350b8557252 Mon Sep 17 00:00:00 2001
From: Miguel de la Cruz <miguel@mcrx.me>
Date: Fri, 21 Jan 2022 12:18:00 +0100
Subject: [PATCH] Initial commit

---
 cmd/elpaisreader/elpaisreader.go | 63 ++++++++++++++++++++++++++++++++
 go.mod                           |  3 ++
 2 files changed, 66 insertions(+)
 create mode 100644 cmd/elpaisreader/elpaisreader.go
 create mode 100644 go.mod

diff --git a/cmd/elpaisreader/elpaisreader.go b/cmd/elpaisreader/elpaisreader.go
new file mode 100644
index 0000000..3ceb26d
--- /dev/null
+++ b/cmd/elpaisreader/elpaisreader.go
@@ -0,0 +1,63 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"strings"
+)
+
+const beginningToken = "\"articleBody\""
+const endToken = ",\"keywords\":"
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Fprintf(os.Stderr, "USAGE: %s URL\n", os.Args[0])
+		os.Exit(-1)
+	}
+
+	url := os.Args[1]
+
+	if url == "-h" || url == "--help" {
+		fmt.Fprintf(os.Stderr, "USAGE: %s URL\n", os.Args[0])
+		os.Exit(2)
+	}
+
+	resp, err := http.Get(url)
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+
+	theLine := ""
+	for _, line := range strings.Split(string(body), "\n") {
+		if strings.Contains(line, beginningToken) {
+			theLine = line
+		}
+	}
+
+	if theLine == "" {
+		panic("articleBody not found")
+	}
+
+	index := strings.Index(theLine, beginningToken)
+	endIndex := strings.Index(theLine, endToken)
+
+	if index == -1 || endIndex == -1 {
+		panic("cannot determine limits")
+	}
+
+	if index > endIndex {
+		panic("end found before beginning")
+	}
+
+	theLine = theLine[index+len(beginningToken)+2 : endIndex-1]
+
+	fmt.Println(theLine)
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..3fae15e
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.ctrlz.es/mgdelacroix/elpaisreader
+
+go 1.17