countWords.cs

// =========== Edit Student Detail Here ============
// Program: countWords.cs
// RankId: 09
// Author: Komkanit Sujautra
// Id: 5810500412
// Group: 1/11
// Date: 17/9/2015
//===================================================
using System;
using System.IO;
class Count
{
	public static void Main(string[] args)
	{
		if(args.Length == 0)
		{
			Console.WriteLine("Error: You must Input args");
			return ;
		}
		char [] cut = {' ','.',';','=','{','}','(',')','\t','/','\n','\'','\"','\\','[',']'};
		StreamReader inf = File.OpenText(args[0]);
		string [] p = new string [300];
		int [] count = new int [300];
		int len = 0,j;
		string line = inf.ReadLine();
		while(line != null)
		{
			line = line.ToLower();
			string [] str = line.Split(cut);
			if(str.Length > 0)
			{
				foreach(string s in str)
				{
					if(s!="" && s[0]>= 'a' && s[0]<= 'z')
					{
						for(j=0 ; j < len ; j++)
						{
							if(p[j].Equals(s))
							{
								count[j]++;
								break;
							}
						}
						if(j == len)
						{
							p[len] = s;
							count[len] = 1;
							len++;	
						}
					}		
					
				}
			}
			line = inf.ReadLine();
		}
		for(j=0 ; j<len ; j++)
		{
			Console.Write(p[j]+"="+count[j]+", ");
		}
		Console.WriteLine("");
	}
}