54 lines
1.9 KiB
C#
54 lines
1.9 KiB
C#
|
using System;
|
||
|
|
using System.IO;
|
||
|
|
|
||
|
|
|
||
|
|
class WriteTextFile
|
||
|
|
{
|
||
|
|
static void Main()
|
||
|
|
{
|
||
|
|
string fileName = @"mytest.txt";
|
||
|
|
string[] ArrLines;
|
||
|
|
string str;
|
||
|
|
int n,i;
|
||
|
|
Console.Write("\n\n Create and write some line of text which does not contain a given string in a line :\n");
|
||
|
|
Console.Write("------------------------------------------------------------------------------------------\n");
|
||
|
|
if (File.Exists(fileName))
|
||
|
|
{
|
||
|
|
File.Delete(fileName);
|
||
|
|
}
|
||
|
|
Console.Write(" Input the string to ignore the line : ");
|
||
|
|
str = Console.ReadLine();
|
||
|
|
Console.Write(" Input number of lines to write in the file : ");
|
||
|
|
n= Convert.ToInt32(Console.ReadLine());
|
||
|
|
ArrLines=new string[n];
|
||
|
|
Console.Write(" Input {0} strings below :\n",n);
|
||
|
|
for(i=0; i<n; i++)
|
||
|
|
{
|
||
|
|
Console.Write(" Input line {0} : ",i+1);
|
||
|
|
ArrLines[i] = Console.ReadLine();
|
||
|
|
}
|
||
|
|
using (System.IO.StreamWriter file =
|
||
|
|
new System.IO.StreamWriter(@"mytest.txt"))
|
||
|
|
{
|
||
|
|
foreach (string line in ArrLines)
|
||
|
|
{
|
||
|
|
if (!line.Contains(str)) // write the line to the file If it doesn't contain the string in str
|
||
|
|
{
|
||
|
|
file.WriteLine(line);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
using (StreamReader sr = File.OpenText(fileName))
|
||
|
|
{
|
||
|
|
string s = "";
|
||
|
|
Console.Write("\n The line has ignored which contain the string '{0}'. \n",str);
|
||
|
|
Console.Write("\n The content of the file is :\n",n);
|
||
|
|
Console.Write("----------------------------------\n");
|
||
|
|
while ((s = sr.ReadLine()) != null)
|
||
|
|
{
|
||
|
|
Console.WriteLine(" {0} ",s);
|
||
|
|
}
|
||
|
|
Console.WriteLine();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|