Add tmp

tmp/tmp.go

@@ -0,0 +1,37 @@
+package tmp
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strconv"
+)
+
+func check(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+func Tmp() {
+	f, err := os.CreateTemp("", "gobyexample")
+	check(err)
+	fmt.Println("Created tmp file", f.Name())
+	defer os.Remove(f.Name())
+
+	n1, err := f.WriteString("test")
+	check(err)
+	fmt.Println("Wrote", n1, "bytes")
+
+	dirPath, err := os.MkdirTemp("", "gobyexample")
+	check(err)
+	fmt.Println("Created temp dir at", dirPath)
+	defer os.RemoveAll(dirPath)
+
+	err = os.WriteFile(filepath.Join(dirPath, "file1"), []byte("tmpdir file"), 0600)
+	check(err)
+	fmt.Println("Stuff written to tmp file inside", dirPath)
+	b1, err := os.ReadFile(filepath.Join(dirPath, "file1"))
+	check(err)
+	fmt.Println(strconv.Quote(string(b1)), "was written to file")
+}