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Posted By

jimfred on 03/11/09


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umang_nine


.net, console app, convert a bin file to CSV

 / Published in: C#
 

Simple program to convert a BIN file to CSV. Demonstrates .net usage of: * command-line parameters, * binary and text file access * looping thru a file using the catch (EndOfStreamException) construct * byte-swapping for endianness

I used this to convert binary MICR data to a CSV for use in Excel

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Text;
  4. using System.IO;
  5.  
  6. namespace ConvertMicrBinToCsv
  7. {
  8.     class Program
  9.     {
  10.         static void Main(string[] args)
  11.         {
  12.             if (args.Length < 2)
  13.             {
  14.                 Console.WriteLine("Expecting 2 parameters: a .bin file and a .csv file.");
  15.                 return;
  16.             }
  17.  
  18.             foreach (string arg in args)
  19.             {
  20.                 Console.WriteLine(arg);
  21.             }
  22.  
  23.             BinaryReader br = new BinaryReader(File.Open(args[0], FileMode.Open  ));
  24.             StreamWriter sw = new StreamWriter(File.Open(args[1], FileMode.Create));
  25.  
  26.             try
  27.             {
  28.                 while (true)
  29.                 {
  30.                     UInt16 val = br.ReadUInt16();
  31.                     UInt16 i = (UInt16)System.Net.IPAddress.NetworkToHostOrder((Int16)val); // endianness
  32.                     sw.WriteLine("{0}", i);
  33.                 }
  34.             }
  35.             catch (EndOfStreamException e)
  36.             {
  37.                 // caught and ignored. 
  38.             }
  39.             finally
  40.             {
  41.                 br.Close();
  42.                 sw.Close();
  43.             }
  44.  
  45.             return;
  46.         }
  47.     }
  48. }

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