CODE: add an ARGV processing example

Signed-off-by: Jeff Carr <jcarr@wit.com>

Makefile

@@ -32,6 +32,7 @@ build:
 	cd example-ssh;			go install	# scp example
 
 	# golang things
+	cd example-flag;		go install	# process argv
 	cd example-pprof;		go install	# dump out go process internals
 	cd example-bench-fast-timer;	go install	# time golang channels
 	cd example-bench-readWriteOps;	go install	#

example-flag/flag.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"time"
+
+	"github.com/google/goterm/term"
+)
+
+const (
+	timeout = 10 * time.Minute
+)
+
+var (
+	addr  = flag.String("address", "", "address of telnet server")
+	user  = flag.String("user", "user", "username to use")
+	pass1 = flag.String("pass1", "pass1", "password to use")
+	pass2 = flag.String("pass2", "pass2", "alternate password to use")
+)
+
+func main() {
+	flag.Parse()
+	fmt.Println(term.Bluef("flag Example"))
+	fmt.Println("addr=",addr)
+}