updated usage message and disabled line by line processing

bin/html-purifier.js

@@ -14,25 +14,26 @@ var Purifier = require('../src/html-purify'),
 (function() {
     var fs = require('fs'),
         file,
-        lineByLine = false,
+        // lineByLine = false,
         benchmark = false,
         noofargs = process.argv.length;
 
     process.argv.forEach(function(val, index) {
         if (index === 2) {
             file = val;
         } else if (index === 3) {
-            if (val === "-l") {
-                lineByLine = true;
-            } else if (val === "--benchmark") {
+            if (val === "--benchmark") {
                 benchmark = true;
             }
+            // else if (val === "-l") {
+            //     lineByLine = true;
+            // }
         }
     });
 
 
     if (noofargs < 3) {
-        console.log("Usage: html-purifier <any html file>");
+        console.log("Usage: html-purifier <html_filepath> [--benchmark]");
         process.exit(1);
     }
 
@@ -43,7 +44,8 @@ var Purifier = require('../src/html-purify'),
 
     var data = fs.readFileSync(file, 'utf-8'), i, output = '';
 
-    // The following is disabled as it might generate insecure html, since linebreak can exists within attr value state, while purify() assumes data state for each call
+    // The following is disabled as it might generate insecure html, 
+    // as it could violate the assumption that purify() must start with the data state
     // if (lineByLine) {
     //     // reading and processing line by line
     //     var data2 = data.split(/\n/);