Initial commit

fileio/downloader.go

@@ -0,0 +1,31 @@
+package fileio
+
+import (
+	"io"
+	"net/http"
+	"os"
+)
+
+// DownloadFile - Download file and store it
+func DownloadFile(outputFilename 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(outputFilename)
+	if err != nil {
+		panic(err)
+	}
+	defer out.Close()
+
+	// Write the body to file
+	_, err = io.Copy(out, resp.Body)
+
+	if err != nil {
+		panic(err)
+	}
+}

fileio/file_rw.go

@@ -0,0 +1,47 @@
+package fileio
+
+import (
+	"fmt"
+	"os"
+)
+
+// WriteToFile - Writes a string to file
+func WriteToFile(filename string, content string) {
+	f, err := os.Create(filename)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	l, err := f.WriteString(content)
+	if err != nil {
+		fmt.Println(err)
+		f.Close()
+		return
+	}
+	fmt.Println(l, "bytes written successfully")
+	err = f.Close()
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+}
+
+// InitOutputDirectory - Creates output directory
+func InitOutputDirectory(path string) {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		os.Mkdir(path, os.ModePerm)
+	}
+}
+
+// CheckIfExists - Checks if file or directory exists
+func CheckIfExists(path string) bool {
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		return false
+	}
+
+	if _, err := os.Stat(path); !os.IsNotExist(err) {
+		return false
+	}
+
+	return true
+}