From: AceVest <zhaoyanbai@126.com>
Date: Mon, 5 Jun 2017 15:46:12 +0000 (+0800)
Subject: add <<The Go Programming Language Exercise
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=be7eadc5491e789988fbf5a2c70d3556c9e9e5bf;p=acecode.git

add <<The Go Programming Language Exercise
---

diff --git a/learn/go/exercise/1.1.go b/learn/go/exercise/1.1.go
new file mode 100644
index 0000000..e86f6a8
--- /dev/null
+++ b/learn/go/exercise/1.1.go
@@ -0,0 +1,28 @@
+/*
+ * ------------------------------------------------------------------------
+ *   File Name: 1.1.go
+ *      Author: Zhao Yanbai
+ *              2017-06-05 23:10:22 Monday CST
+ * Description: none
+ * ------------------------------------------------------------------------
+ */
+package main
+import (
+	"os"
+	"fmt"
+)
+
+func main() {
+	defer fmt.Println("Program Exited...")
+
+	s, sep := "", " "
+	for i, arg := range os.Args[:] {
+		if i > 0 {
+			s += sep
+		}
+
+		s += arg
+	}
+
+	fmt.Println(s)
+}
diff --git a/learn/go/exercise/1.2.go b/learn/go/exercise/1.2.go
new file mode 100644
index 0000000..f63b4ee
--- /dev/null
+++ b/learn/go/exercise/1.2.go
@@ -0,0 +1,20 @@
+/*
+ * ------------------------------------------------------------------------
+ *   File Name: 1.2.go
+ *      Author: Zhao Yanbai
+ *              2017-06-05 23:13:55 Monday CST
+ * Description: none
+ * ------------------------------------------------------------------------
+ */
+package main
+import (
+	"os"
+	"fmt"
+)
+
+func main() {
+	defer fmt.Println("Program Exited...")
+	for i, v := range(os.Args) {
+		fmt.Printf("%10d %s\n", i, v)
+	}
+}
diff --git a/learn/go/exercise/1.3.go b/learn/go/exercise/1.3.go
new file mode 100644
index 0000000..8a1c28a
--- /dev/null
+++ b/learn/go/exercise/1.3.go
@@ -0,0 +1,18 @@
+/*
+ * ------------------------------------------------------------------------
+ *   File Name: 1.3.go
+ *      Author: Zhao Yanbai
+ *              2017-06-05 23:16:25 Monday CST
+ * Description: none
+ * ------------------------------------------------------------------------
+ */
+package main
+import (
+	"fmt"
+)
+
+func main() {
+	defer fmt.Println("Program Exited...")
+
+	
+}
diff --git a/learn/go/exercise/1.4.go b/learn/go/exercise/1.4.go
new file mode 100644
index 0000000..7a84be9
--- /dev/null
+++ b/learn/go/exercise/1.4.go
@@ -0,0 +1,52 @@
+/*
+ * ------------------------------------------------------------------------
+ *   File Name: 1.4.go
+ *      Author: Zhao Yanbai
+ *              2017-06-05 23:24:57 Monday CST
+ * Description: none
+ * ------------------------------------------------------------------------
+ */
+package main
+import (
+	"os"
+	"fmt"
+	"log"
+	"bufio"
+)
+
+
+
+
+func main() {
+	defer fmt.Println("Program Exited...")
+
+	files := os.Args[1:]
+
+	if len(files) == 0 {
+		countLines(os.Stdin)
+	} else {
+		for _, file := range(files) {
+			fmt.Println("Counting %s\n", file)
+			f, err := os.Open(file)
+			defer f.Close()
+			if err != nil {
+				log.Fatal(err)
+			}
+			countLines(f)
+		}
+	}
+}
+
+
+func countLines(f *os.File) {
+	var counts = make(map[string]int)
+	scanner := bufio.NewScanner(f)
+	for scanner.Scan() {
+		counts[scanner.Text()]++
+	}
+
+
+	for k, v := range(counts) {
+		fmt.Printf("%s:%d\n", k, v)
+	}
+}