more

00-notes.txt

@@ -29,3 +29,4 @@
   * deploying to heroku
   * sort-by
   * errors
+  * compilation

xx-file-open.go

@@ -0,0 +1,18 @@
+package main
+
+import ("fmt"; "os")
+
+func main() {
+    file, err := os.Open("xx-file-open.go")
+    if err != nil {
+        panic(err)
+    }
+    defer file.Close()
+    
+    stat, err := file.Stat()
+    if err != nil {
+        panic(err)
+    }
+
+	fmt.Println("Program has", stat.Size(), "bytes")
+}

xx-file-read.go

@@ -0,0 +1,11 @@
+package main
+
+import ("fmt"; "io/ioutil")
+
+func main() {
+    contents, err := ioutil.ReadFile("xx-file-read.go")
+    if err != nil {
+        return
+    }
+    fmt.Print(string(contents))
+}

xx-file-write.go

@@ -0,0 +1,12 @@
+package main
+
+import "os"
+
+func main() {
+	file, err := os.Create("xx-file-write.txt")
+    if err != nil {
+        panic(err)
+    }
+    defer file.Close()
+    file.WriteString("contents\n")
+}

xx-sort.go

@@ -0,0 +1,12 @@
+package main
+
+import ("fmt"; "sort")
+
+func main() {
+	strs := []string{"foo", "bar", "bat"}
+	fmt.Println(strs)
+	fmt.Println()
+
+	sort.Strings(strs)
+	fmt.Println(strs)
+}