From 1db72ea9313dd6bb3ba036e54db6220d112df599 Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@osmosoft.com>
Date: Sat, 25 Aug 2012 12:07:15 +0100
Subject: [PATCH] Add support for parameter substitutions to the savetiddler
 command

---
 core/modules/commands/savetiddler.js             | 10 ++++++++--
 tw5.com/tiddlers/commands/SaveTiddlerCommand.tid |  4 +++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/core/modules/commands/savetiddler.js b/core/modules/commands/savetiddler.js
index d58b71b4a..1167868c7 100644
--- a/core/modules/commands/savetiddler.js
+++ b/core/modules/commands/savetiddler.js
@@ -32,8 +32,14 @@ Command.prototype.execute = function() {
 		path = require("path"),
 		title = this.params[0],
 		filename = this.params[1],
-		type = this.params[2] || "text/html";
-	fs.writeFile(filename,this.commander.wiki.renderTiddler(type,title),"utf8",function(err) {
+		type = this.params[2] || "text/html",
+		options = {},
+		t;
+	for(var t=3; t<this.params.length; t++) {
+		options["with"] = options["with"] || [];
+		options["with"][t-2] = this.params[t];
+	}
+	fs.writeFile(filename,this.commander.wiki.renderTiddler(type,title,options),"utf8",function(err) {
 		self.callback(err);
 	});
 	return null;
diff --git a/tw5.com/tiddlers/commands/SaveTiddlerCommand.tid b/tw5.com/tiddlers/commands/SaveTiddlerCommand.tid
index 5cf01698a..bd2c256d9 100644
--- a/tw5.com/tiddlers/commands/SaveTiddlerCommand.tid
+++ b/tw5.com/tiddlers/commands/SaveTiddlerCommand.tid
@@ -4,5 +4,7 @@ tags: docs command
 Save an individual tiddler as a specified ContentType, defaults to `text/html` 
 
 {{{
---savetiddler <title> <filename> [<type>]
+--savetiddler <title> <filename> [<type>] [<withparam> <withparam>...]
 }}}
+
+The optional `<withparams>` are substituted for `$1`, `$2` etc before parsing.