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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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10
Task/Remove-lines-from-a-file/C-sharp/remove-lines-from-a-file.cs
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@ -3,17 +3,9 @@ using System.IO;
public class Rosetta
{
/* C# 6 version:
public static void Main() => RemoveLines("foobar.txt", start: 1, count: 2);
*/
public static void Main() {
RemoveLines("foobar.txt", start: 1, count: 2);
}
static void RemoveLines(string filename, int start, int count = 1) {
//Reads and writes one line at a time, so no memory overhead.
static void RemoveLines(string filename, int start, int count = 1) =>
File.WriteAllLines(filename, File.ReadAllLines(filename)
.Where((line, index) => index < start - 1 || index >= start + count - 1));
}
}