Add help

cmd/gime-export/main.go

@@ -52,6 +52,20 @@ func loadRecentTimeEntries() {
 	timeEntries = gdb.LoadTimeEntryCollection(gime.TypeRecent)
 }
 
+func cmdPrintHelp(args []string) int {
+	//if len(args) == 0 {
+	fmt.Println("gime-export - An export utility for the gime application\n")
+	fmt.Println("Usage: gime-export [format] [[start date/time]-[end date/time]] [tags...]")
+	for _, v := range validOperations {
+		for vi := range v {
+			fmt.Println("  ", v[vi])
+		}
+		fmt.Println("")
+	}
+	//}
+	return 0
+}
+
 func cmdPrintFHGTimesheet(args []string) int {
 	loadRecentTimeEntries()
 
@@ -148,6 +162,11 @@ func initialize() {
 	validOperations = make(map[string][]string)
 	opFuncs = make(map[string]func([]string) int)
 
+	opFuncs["help"] = cmdPrintHelp
+	validOperations["help"] = []string{
+		"help                       - Prints this",
+	}
+
 	opFuncs["fhgts"] = cmdPrintFHGTimesheet
 	validOperations["fhgts"] = []string{
 		"fhgts [duration] [tags]    - Output entries in Flint Hills Group timesheet format",