chengluyu · August 29, 2015 14:05
diff --git a/main.md b/main.md
diff --git a/process_url.js b/process_url.js
 var fs = require("fs");

 var content = fs.readFileSync(process.argv[2], "utf8");

 var url_makers = {
  "poj": function (id) {
    return "http://poj.org/problem?id=" + id;
  },
  "hdu": function (id) {
    return "http://acm.hdu.edu.cn/showproblem.php?pid=" + id;
  },
  "tyvj": function (id) {
    return "http://www.tyvj.cn/Problem_Show.aspx?id=" + id;
  },
  "vijos": function (id) {
    return "https://www.vijos.org/p/" + id;
  }
 };

 content = content.replace(/^(?:\* )?([a-z]+) ?(\d{3,4}) ?(\(.+\))?$/mg, function (str) {
  var result = str.match(/(?:\* )?([a-z]+) ?(\d{3,4}) ?(\(.+\))?/);
  // console.log(result);
  // return str;
  var website = result[1], pid = result[2], attach = result[3];
  return '* [' + website.toUpperCase() + ' ' + pid + 
      (attach || '') + 
      '](' + url_makers[website](pid) + ')'; 
 });

 fs.writeFileSync("./output.txt", content);
diff --git a/source.md b/source.md
	var fs = require("fs");

	var content = fs.readFileSync(process.argv[2], "utf8");

	var url_makers = {
	"poj": function (id) {
	return "http://poj.org/problem?id=" + id;
	},
	"hdu": function (id) {
	return "http://acm.hdu.edu.cn/showproblem.php?pid=" + id;
	},
	"tyvj": function (id) {
	return "http://www.tyvj.cn/Problem_Show.aspx?id=" + id;
	},
	"vijos": function (id) {
	return "https://www.vijos.org/p/" + id;
	}
	};

	content = content.replace(/^(?:\* )?([a-z]+) ?(\d{3,4}) ?(\(.+\))?$/mg, function (str) {
	var result = str.match(/(?:\* )?([a-z]+) ?(\d{3,4}) ?(\(.+\))?/);
	// console.log(result);
	// return str;
	var website = result[1], pid = result[2], attach = result[3];
	return '* [' + website.toUpperCase() + ' ' + pid +
	(attach \|\| '') +
	'](' + url_makers[website](pid) + ')';
	});

	fs.writeFileSync("./output.txt", content);