state mutex

src/065-command-line-flags/command-line-flags.go

@@ -0,0 +1,21 @@
+// ## Command Line Flags
+
+package main
+
+import "flag"
+import "fmt"
+
+func main() {
+    maxp := flag.Int("repeat", 3, "time to repeat args")
+    flag.Parse()
+    for i := 0; i < *maxp; i++ {
+        for _, arg := range flag.Args() {
+            fmt.Println(arg)
+        }
+    }
+}
+
+// todo: multiple flags
+// todo: trailing args
+// todo: arg escaping
+// todo: help text and usage errors