Initial commit

utils/downloadFile.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	"io"
+	"net/http"
+	"os"
+)
+
+// DownloadFile - Downloads content from `url` and stores it in `outputPath`
+func DownloadFile(outputPath string, url string) {
+	// Get the data
+	resp, err := http.Get(url)
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+
+	// Create the file
+	out, err := os.Create(outputPath)
+	if err != nil {
+		panic(err)
+	}
+	defer out.Close()
+
+	// Write the body to file
+	_, err = io.Copy(out, resp.Body)
+
+	if err != nil {
+		panic(err)
+	}
+}

utils/fileio.go

@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"os"
+)
+
+// CheckIfExists - Checks if file or directory exists
+func CheckIfExists(path string) bool {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return false
+	}
+
+	return true
+}
+
+// InitOutputDirectory - Creates output directory
+func InitOutputDirectory(path string) {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		os.MkdirAll(path, os.ModePerm)
+	}
+}

utils/readFileAsString.go

@@ -0,0 +1,15 @@
+package utils
+
+import (
+	"io/ioutil"
+	"log"
+)
+
+// ReadFileAsString - Returns contents of given file
+func ReadFileAsString(fileName string) string {
+	content, err := ioutil.ReadFile(fileName)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return string(content)
+}