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36 lines
1.2 KiB
C#
36 lines
1.2 KiB
C#
using System;
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using System.IO;
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class filexercise12
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{
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static void Main()
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{
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string fileName = @"mytest.txt";
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string[] ArrLines ;
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int n,i;
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Console.Write("\n\n Create and read the last line of a file :\n");
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Console.Write("-----------------------------------------------\n");
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if (File.Exists(fileName))
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{
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File.Delete(fileName);
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}
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Console.Write(" Input number of lines to write in the file :");
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n= Convert.ToInt32(Console.ReadLine());
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ArrLines=new string[n];
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Console.Write(" Input {0} strings below :\n",n);
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for(i=0; i<n; i++)
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{
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Console.Write(" Input line {0} : ",i+1);
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ArrLines[i] = Console.ReadLine();
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}
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System.IO.File.WriteAllLines(fileName, ArrLines);
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Console.Write("\n The content of the last line of the file {0} is :\n",fileName);
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if (File.Exists(fileName))
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{
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string[] lines = File.ReadAllLines(fileName);
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Console.WriteLine(" {0}",lines[n-1]);
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}
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Console.WriteLine();
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}
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} |