refactoring

- keep using find-exec (more bin files)
- parse_convert command with spaces works

bin/zod

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# ZODIAC - a simple static site generator
+# Copyright (c) 2011 Chase Allen James <nx-zodiac@nu-ex.com>
+
+zod_lib=/home/nuex/_dev/zodiac/lib
+proj="$1"
+target="$2"
+
+. zod-internal
+
+_zod_error() {
+  echo -e ">>> ERROR: $*" >&2
+  exit 1
+}
+
+_zod_exec() {
+  phase="$1"; shift
+  __zod_config |
+  awk -f "$zod_lib/config.awk" \
+      -f "$zod_lib/find_cmd.awk" \
+      -v phase="$phase" \
+      -v zod_lib="$zod_lib" \
+      -v proj="$proj" \
+      -v target="$target" | sh
+}
+
+[ "$#" -ne 2 ] && { echo "usage: zod projectdir targetdir"; exit; }
+[ ! -d "$proj" ] && _zod_error "project directory does not exist"
+[ ! -d "$target" ] && _zod_error "target directory does not exist"
+
+_zod_exec "render"
+_zod_exec "copy"