start setting up to use flags

Signed-off-by: John Thornton <bjt128@gmail.com>

dxf2gcode.go

@@ -2,22 +2,41 @@ package main
 
 // DXF to G code converter
 import (
+	"flag"
 	"fmt"
-	"github.com/jethornton/dxf2gcode/dxfutil"
 	"os"
 	"os/user"
+	"github.com/jethornton/dxf2gcode/dxfutil"
 )
 
+var (
+	file *string
+	port *int
+	yesno *bool
+)
+
+// Basic flag declarations are available for string, integer, and boolean options.
+func init() {
+	file = flag.String("f", "/dxf/test.dxf", "Path to a DXF to convert")
+	port = flag.Int("port", 3000, "an int")
+	yesno = flag.Bool("yesno", true, "a bool")
+}
+
+
 func main() {
+	flag.Parse()
 	usr, _ := user.Current() // get user information
 	cwd, _ := os.Getwd() // get current working directory
 	iniMap := make(map[string]string)
 	var inFile string
+	
 	if len(os.Args) == 2 {
 		switch os.Args[1] {
 		case "-v":
 			fmt.Println("Version 0.001")
 			os.Exit(0)
+		case "-p":
+			fmt.Println("-p")
 		default:
 			inFile = os.Args[1]
 		}
@@ -31,26 +50,13 @@ func main() {
 	dxfutil.Readini(iniMap, cwd)
 	lines := dxfutil.GetLines(inFile)
 	entities := dxfutil.GetEntities(lines)
-	/*
-	for _, e := range entities {
-		fmt.Printf("%2d %4s G10 %8s G11 %8s G20 %8s G21 %8s G50 %9s G51 %9s\n",
-		e.Test, e.G0, e.G10, e.G11, e.G20, e.G21, e.G50, e.G51)
-	}
-	*/
 	entities = dxfutil.GetEndPoints(entities)
-/*
-	for _, e := range entities {
-		fmt.Printf("%2d %4s Xs %9f Ys %9f Xe %9f Ye %9f\n",
-		e.Test, e.G0, e.Xs, e.Ys, e.Xe, e.Ye)
-	}
-*/
 	entities = dxfutil.GetOrder(entities)
+	dxfutil.GenGcode(entities, iniMap["SAVEAS"])
 /*
 	for _, e := range entities {
 		fmt.Printf("%2d %2d %4s Xs %9f Xe %9f Ys %9f Ye %9f\n",
 		e.Test, e.Index, e.G0, e.Xs, e.Xe, e.Ys, e.Ye)
 	}
 */
-	dxfutil.GenGcode(entities, iniMap["SAVEAS"])
-
 }