site stats

C# get last line of file

WebThis command gets a specific number of lines from a file and then displays only the last line of that content. The TotalCount parameter gets the first 25 lines of content. This example uses the LineNumbers.txt file that was created in Example 1. PowerShell (Get-Content -Path .\LineNumbers.txt -TotalCount 25) [-1] This is Line 25 WebDec 26, 2024 · StreamWriter w = new StreamWriter (folders [0] + "\\dates.txt", true); for (int i = 0; i < dates.Count; i++) { w.WriteLine (dates [i]); } w.Close (); I think there is a space …

How do I remove the newline from the last line in a file in order …

WebSep 30, 2024 · c# read last 10 lines of file. var nrOfPagesToRead = 10; var lastLines = File.ReadLines (filePath).TakeLast (nrOfPagesToRead); // careful because ReadLines … WebJul 24, 2024 · 1) Find the last occurrence of DELIM or ‘\n’ 2) Initialize target position as last occurrence of ‘\n’ and count as 0 , and do following while count < 10 2.a) Find the next instance of ‘\n’ and update target position 2.b) Skip ‘\n’ and increment count of ‘\n’ and update target position 3) Print the sub-string from target position. C++ C tps baker hughes https://emailmit.com

c# - Writing to an xml file C# WP7 - STACKOOM

WebNov 17, 2005 · How can I do this with a StreamReader object to go to the last line so I can perform the string comparison? Thanks Nov 17 '05 # 1 Follow Post Reply 2 33210 Trond If i understand you correctly i would do it like this: StreamReader f = new StreamReader (fileName); ArrayList lines = new ArrayList (); string line; WebSep 10, 2024 · function _read_last_line (file) io = Base.open (PATH_CSV) seekend (io) current_char = 'a' pos = 2 seek (io, position (io) - pos) # this is a \n while current_char != '\n' @show current_char current_char = Base.read (io, Char) pos += 1 seek (io, position (io) - pos) if pos >= 40 break end end last_line = Base.read (io, String) Base.close (io) … WebFeb 10, 2012 · If you create a new IO.FileStream () object, there's a .Seek () method that will allow you specify the end of the file as part of where you want to seek to. However, at … tps aviation inc. - hayward

c# read last 10 lines of file Code Example - IQCode.com

Category:How do you keep only the last n lines of a log file?

Tags:C# get last line of file

C# get last line of file

How to read only the last line of a file (.txt)? - JuliaLang

WebFeb 18, 2024 · var lastLine = File.ReadLines("file.txt").Last(); Note that this uses File.ReadLines , not File.ReadAllLines . If you're using .NET 3.5 or earlier you'd need to use File.ReadAllLines or write your own code - ReadAllLines will read the whole file into … WebFeb 6, 2024 · The LineCount property is used to determine how many lines are currently in the TextBox, and the GetLineText method is then used to extract each line and add it to …

C# get last line of file

Did you know?

WebAug 13, 2014 · In fact, there is no property or method to get the last line of the document directly. For a workaround, we can resort to Selection.MoveDown method, which moves the selection down and returns the number of units it's been moved. We can get the count of lines and then use it as the argument " Count " of the Selection. MoveDown method. WebAug 19, 2024 · File.WriteAllLines( fileName, ArrLines); Console.Write("\n Input last how many numbers of lines you want to display :"); l = Convert.ToInt32( Console.ReadLine()); m = l; if( l &gt;=1 &amp;&amp; l &lt;= n) { …

WebMay 5, 2024 · C#: private async Task GetLastLine(string filePath) { using (var reader = new StreamReader(filePath)) { string line = null; while (!reader.EndOfStream) { … WebAug 19, 2024 · File.WriteAllLines( fileName, ArrLines); Console.Write("\n The content of the last line of the file {0} is :\n", fileName); if ( File.Exists( fileName)) { string[] lines = File.ReadAllLines( fileName); …

WebJul 5, 2011 · public String GetLastLine (String fileName) { var line = String.Empty; using (StreamReader sr = new StreamReader (fileName)) { // Read lines from the file until the end of the file is reached. while ( (line = sr.ReadLine ()) != null) {} //line will have the last line of the file in it } return line; } Tuesday, June 28, 2011 5:44 PM 0 WebJul 5, 2011 · public String GetLastLine (String fileName) { var line = String.Empty; using (StreamReader sr = new StreamReader (fileName)) { // Read lines from the file until the …

WebMar 3, 2006 · But here’s a script that will make it look like you read just the last line of a text file: Const ForReading = 1 Set objFSO = CreateObject(“Scripting.FileSystemObject”) Set objFile = objFSO.OpenTextFile(“C:\Scripts\Test.txt”, ForReading) Do Until objFile.AtEndOfStream strLine = objFile.ReadLine Loop objFile.Close Wscript.Echo strLine

WebMar 13, 2015 · If the file isn't very large then you could load the file into memory and remove the first and last lines using LINQ: var lines = File.ReadAllLines(filename); File.WriteAllLines(filename, lines.Skip(1).Take(lines.Count() - 2)); But for large files you're better off streaming the file. tps bandings 2022/2023WebMay 4, 2024 · So, you have to read "lines" to the end to be able to get the last one. Another way is to read "lines" via File.ReadAllLines () method: C# string [] lines = … tpsa whiteville ncWebWhere are you hoping to save the file to? In Windows Phone 7 you need to use isolated storage. There's a guide to WP7 Isolated Storage which has various examples, including … thermostat fer rotondiWebApr 23, 2014 · using (FileStream stream = new FileStream(path, FileMode.Open)) { long endpos = stream.Length / charsize; for (long pos = charsize; pos < endpos; pos += … tps bandingWebSep 19, 2016 · I'd like to keep only the last n lines (say, 1000 lines) of the logfile. This can be done at the end of the script in this way: tail -n 1000 myscript.log > myscript.log.tmp mv -f myscript.log.tmp myscript.log but is there a more clean and elegant solution? Perhaps accomplished via a single command? text-processing tail logs Share tps bandings 2022/23WebThere are/were some C compilers that cannot parse the last line if it does not end with a newline. The C standard specifies that a C file should end with a newline (C11, 5.1.1.2, 2.) and that a last line without a newline yields undefined behavior (C11, J.2, 2nd item). thermostat feststellbarWebMar 5, 2024 · Before getting into the solution, let’s look at the Get-Content cmdlet. The Get- Content cmdlet always reads a file from start to finish. You can always get the very last … tps-based dos detection