[CI SKIP] Refactored project layout per Mark Wolfe Blog : https://www.wolfe.id.au/2020/03/10/how-do-i-structure-my-go-project/

pkg/picol/picol_unused/main.go_unused

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	picol "git.dragonheim.net/dragonheim/gagent/src/picol"
+)
+
+var fname = flag.String("f", "", "file name")
+
+// CommandPuts is a simple version of the TCL puts function.
+func CommandPuts(i *picol.Interp, argv []string, pd interface{}) (string, error) {
+	if len(argv) != 2 {
+		return "", fmt.Errorf("wrong number of args for %s %s", argv[0], argv)
+	}
+	fmt.Println(argv[1])
+	return "", nil
+}
+
+func main() {
+	flag.Parse()
+	interp := picol.InitInterp()
+	interp.RegisterCoreCommands()
+	interp.RegisterCommand("puts", CommandPuts, nil)
+
+	buf, err := ioutil.ReadFile(*fname)
+	if err == nil {
+		result, err := interp.Eval(string(buf))
+		if err != nil {
+			fmt.Println("ERRROR", result, err)
+		}
+	} else {
+		for {
+			fmt.Print("picol> ")
+			scanner := bufio.NewReader(os.Stdin)
+			clibuf, _ := scanner.ReadString('\n')
+			result, err := interp.Eval(clibuf[:len(clibuf)-1])
+			if len(result) != 0 {
+				fmt.Println("ERRROR", result, err)
+			}
+		}
+	}
+}