--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zs_ext.go	Sun Aug 30 12:20:35 2015 +0000
@@ -0,0 +1,72 @@
+package main
+
+import (
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/drhodes/golorem"
+)
+
+// zs var <filename> -- returns list of variables and their values
+// zs var <filename> <var...> -- returns list of variable values
+func Var(args []string) string {
+	if len(args) == 0 {
+		return "var: filename expected"
+	} else {
+		s := ""
+		if vars, _, err := md(args[0], globals()); err != nil {
+			return "var: " + err.Error()
+		} else {
+			if len(args) > 1 {
+				for _, a := range args[1:] {
+					s = s + vars[a] + "\n"
+				}
+			} else {
+				for k, v := range vars {
+					s = s + k + ":" + v + "\n"
+				}
+			}
+		}
+		return strings.TrimSpace(s)
+	}
+}
+
+// zs lorem <n> -- returns <n> random lorem ipsum sentences
+func Lorem(args []string) string {
+	if len(args) > 1 {
+		return "lorem: invalid usage"
+	}
+	if len(args) == 0 {
+		return lorem.Paragraph(5, 5)
+	}
+	if n, err := strconv.Atoi(args[0]); err == nil {
+		return lorem.Paragraph(n, n)
+	} else {
+		return "lorem: " + err.Error()
+	}
+}
+
+// zs datefmt <fmt> <date> -- returns formatted date from unix time
+func DateFmt(args []string) string {
+	if len(args) == 0 || len(args) > 2 {
+		return "datefmt: invalid usage"
+	}
+	if n, err := strconv.ParseInt(args[1], 10, 64); err == nil {
+		return time.Unix(n, 0).Format(args[0])
+	} else {
+		return "datefmt: " + err.Error()
+	}
+}
+
+// zs dateparse <fmt> <date> -- returns unix time from the formatted date
+func DateParse(args []string) string {
+	if len(args) == 0 || len(args) > 2 {
+		return "dateparse: invalid usage"
+	}
+	if d, err := time.Parse(args[0], args[1]); err != nil {
+		return "dateparse: " + err.Error()
+	} else {
+		return strconv.FormatInt(d.Unix(), 10)
+	}
+}