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program.js
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program.js
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/* *LearnYouNode Task 13 */
/*
var httpSrv = require('http');
var url = require('url');
var map = require('through2-map')
var server = httpSrv.createServer(function(req,res){
requestUrl = url.parse(req.url,true);
var reqTime = requestUrl.query.iso;
var date;
var jsonDateObj
if(requestUrl.pathname === "/api/parsetime"){
res.writeHead(200, { 'Content-Type': 'application/json' })
date = new Date(reqTime);
jsonDateObj = {hour : date.getHours() , minute: date.getMinutes() , second: date.getSeconds()}
res.end(JSON.stringify(jsonDateObj));
}
if(requestUrl.pathname === "/api/unixtime"){
res.writeHead(200, { 'Content-Type': 'application/json' })
date = new Date(reqTime);
jsonDateObj = {unixtime: date.getTime()};
res.end(JSON.stringify(jsonDateObj));
}
});
server.listen(process.argv[2]);
*/
/* *LearnYouNode Task 12 */
/*
var httpSrv = require('http');
var map = require('through2-map')
var server = httpSrv.createServer(function(req,res){
req.pipe(map(function(chank){
return chank.toString().toUpperCase();
})).pipe(res);
});
server.listen(process.argv[2]);
*/
/* *LearnYouNode Task 11 */
/*
var fs = require('fs');
var httpSrv = require('http');
var server = httpSrv.createServer(function(req,res){
var stream = fs.createReadStream(process.argv[3]);
stream.pipe(res);
});
server.listen(process.argv[2]);
*/
/* *LearnYouNode Task 10 */
/*
var net = require('net');
var server = net.createServer(function(socket){
var date = new Date();
var month = date.getMonth();
var day = date.getDate()
if(month < 10)
month = "0"+(month+1);
if(day < 10)
day = "0"+day;
data = date.getFullYear()+"-"+month+"-"+day+" "+date.getHours()+":"+date.getMinutes()+ '\n'
socket.write(data);
socket.end();
});
server.listen(process.argv[2]);
*/
/* *LearnYouNode Task 9 */
/*
var http = require("http");
var callbackCounter = 0;
var collectedDataArray = []
function httpGet(index){
http.get(process.argv[2 + index], function(response){
response.setEncoding('utf8');
var collectedData = "";
response.on('data',function(data){
collectedData = collectedData + data;
});
response.on('error',function(error){
console.log(error);
});
response.on('end',function(end){
callbackCounter++;
collectedDataArray[index] = collectedData;
if(callbackCounter == 3){
printCollectedData();
}
});
});
function printCollectedData(){
collectedDataArray.forEach(function(data){
console.log(data);
});
}
}
for (var i = 0; i < 3; i++) {
httpGet(i);
}
*/
/* *LearnYouNode Task 8 */
/*
var http = require("http");
function collectDataFromURL(url){
http.get(url,function(response){
response.setEncoding('utf8');
var collectedData = "";
response.on('data',function(data){
collectedData = collectedData + data;
});
response.on('error',function(error){
console.log(error);
});
response.on('end',function(end){
console.log(collectedData.length);
console.log(collectedData);
});
}).on('error',console.error);
}
collectDataFromURL(process.argv[2]);
*/
/* *LearnYouNode Task 7 */
/*
var http = require('http');
function httpGet(url){
http.get(url,function(response){
var getData = [];
response.setEncoding('utf8');
response.on("data",function(data){
console.log(data.toString());
});
response.on("error",function(error){
console.log('error when perform get data');
});
response.on("end",function(end){
if(end)
return;
});
}).on('error',console.error);
};
var argurl = process.argv[2];
httpGet(argurl);
*/
/* *LearnYouNode Task 6 */
/*
var filterDirFiles = require('./filterFilesInDirByExtnName');
function printFilteredFiles(err,filesList){
if(err){
console.log("error");
return;
}
for(var file in filesList){
console.log(filesList[file]);
}
}
filterDirFiles(process.argv[2],process.argv[3],printFilteredFiles);
*/
/* *LearnYouNode Task 5 */
/*
var fs = require('fs');
var path = require('path');
var fileNames = [];
function printDirFilesFilteredAsync(callback){
var string = fs.readdir(process.argv[2],function(err,list){
if(err == true){
console.log("error");
}
else{
for(var i =0 ; i< list.length;i++){
if(path.extname(list[i]).toString() == ("." + process.argv[3])){
fileNames.push(list[i]);
}
}
}
callback();
});
};
function printFilteredFiles(){
for(var file in fileNames){
console.log(fileNames[file]);
}
}
printDirFilesFilteredAsync(printFilteredFiles);
*/
/* *LearnYouNode Task 4 */
/*
var fs = require('fs');
var lineCount;
function countFileLinesAsync(callback){
var string = fs.readFile(process.argv[2],'utf8',function(err,data){
if (err != true) {
lineCount = data.split('\n').length - 1;
}
else {
console.log('error');
}
callback();
});
};
function printLines(){
console.log(lineCount);
}
countFileLinesAsync(printLines);
*/