diff --git a/isidore.sh b/isidore.sh
index 9882f42..249cd7e 100755
--- a/isidore.sh
+++ b/isidore.sh
@@ -70,8 +70,13 @@ function set_config_vars()
 	source $ISIDORE_CONFIG_DIR/config
 }
 
+function print_usage()
+{
+	echo "USAGE: $1 <command> [options]"
+}
+
 ##
-# Create a new project
+# Create a new project.
 #
 # Params:
 #  $1 - The project directory
@@ -84,10 +89,31 @@ function new_project()
 	mkdir $NEW_PROJECT_DIR
 	mkdir -p $NEW_PROJECT_DIR/site/
 	mkdir -p $NEW_PROJECT_DIR/templates/
-	echo "<?php
-	\$site_name = \"$NEW_PROJECT_NAME\";
-	\$author = \"$ISIDORE_AUTHOR_NAME\";
-	?>" >> $NEW_PROJECT_DIR/config.php
+	echo \
+"<?php
+\$site_name = \"$NEW_PROJECT_NAME\";
+\$author = \"$ISIDORE_AUTHOR_NAME\";
+?>" >> $NEW_PROJECT_DIR/config.php
+}
+
+##
+# Clean a project's build.
+##
+function clean_project()
+{
+	# TODO: Ensure that this is within an Isidore project.
+	rm -r output/
+	echo "Project cleaned."
 }
 
 set_config_vars
+
+case $1 in
+	new)
+		new_project $2 $3;;
+	clean)
+		clean_project;;
+	*)
+		echo "Unknown command $1. Use the 'help' command."
+		print_usage $0;;
+esac