tasks a-s

Task/Read-entire-file/Go/read-entire-file-1.go

@@ -0,0 +1,4 @@
+import "io/ioutil"
+
+data, err := ioutil.ReadFile(filename)
+sv := string(data)

Task/Read-entire-file/Go/read-entire-file-2.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+    "fmt"
+    "log"
+    "os"
+    "syscall"
+)
+
+func main() {
+    f, err := os.Open("file")
+    if err != nil {
+        log.Fatal(err)
+    }
+    fi, err := f.Stat()
+    if err != nil {
+        log.Fatal(err)
+    }
+    data, err := syscall.Mmap(int(f.Fd()), 0, int(fi.Size()),
+        syscall.PROT_READ, syscall.MAP_PRIVATE)
+    if err != nil {
+        log.Fatal(err)
+    }
+    fmt.Println(string(data))
+}