changes in parse_json_lines.js (it takes the json from the stdin)

Author: carlos

P02_nodejsutilities/package.json

@@ -3,7 +3,10 @@
     "version"     : "0.0.1",
     "dependencies": {
         "http-proxy": ">= 0.10.3",
-        "connect"        : ">= 2.11.0",
+        "connect"        : ">= 2.7.8",
+  	"express":"2.5.4",
+  	"ntwitter":"0.2.10",
+	"lazy":">=1.0.11",
         "mkdirp"  : ">= 0.3.5"
     },
 
@@ -15,4 +18,3 @@
         "node": ">= 0.8.0"
     }
 }
-

P02_nodejsutilities/parse_json_lines.js

@@ -1,20 +1,10 @@
-if(process.argv.length<3){
-	console.error("missing argument (file to parse)");
-	return(-1);
-}
-
-var fs = require('fs'),readline = require('readline');
-
-var rd = readline.createInterface({
-    input: fs.createReadStream(process.argv[2]),
-    output: process.stdout,
-    terminal: false
-});
-
-rd.on('line', function(line) {
-    try{
-	var l=JSON.parse(line);
-	console.log(JSON.stringify(l,null,4));
-    }catch(error){}
-    
-});
+var Lazy=require("lazy");
+new Lazy(process.stdin).lines.forEach(
+          function(line) { 
+    		try{
+			var l=JSON.parse(line);
+			console.log(JSON.stringify(l,null,4));
+    		}catch(error){}
+          }
+);
+process.stdin.resume();