update args

mass-rename.php

@@ -30,17 +30,20 @@ function ECHO_USAGE(){
 	global $argv;
 	
 	echo "\n > Usage:\n";
-	echo "       \"php " . $argv[0] . " <t-dir> <search-regex> <replace-str>\"\n";
+	echo "    \"php " . $argv[0] . " <t-dir> <search-regex> <replace-str>\"\n";
 	echo "       where <t-dir> is the directory to traverse and\n";
 	echo "       <search-regex> is the regular expression to\n";
 	echo "       search for, and <replace-str> is the raw string\n";
 	echo "       to replace the search-regex with. Note that\n";
 	echo "       <replace-str> is NOT a regular expression.\n";
+	echo "       If <replace-str> contains one or more whitespace\n";
+	echo "       character(s), it must be enclosed within double-\n";
+	echo "       quotation marks.\n";
 	
 	echo "\n > Examples:\n";
-	echo "   >    \"php " . $argv[0] . " . /.[a-z]+/ .jpg\"\n";
-	echo "   >    \"php " . $argv[0] . " . /.[a-zA-Z]+/ .jpg\"\n";
-	echo "   >    \"php " . $argv[0] . " . /.[a-zA-Z0-9]+/ .jpg\"\n";
+	echo "   > \"php " . $argv[0] . " . /.[a-z]+/ .jpg\"\n";
+	echo "   > \"php " . $argv[0] . " . /.[a-zA-Z]+/ .jpg\"\n";
+	echo "   > \"php " . $argv[0] . " . /.[a-zA-Z0-9]+/ \".jpg\"\"\n";
 	
 }