2024 C# get last line of file

C# get last line of file

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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 … 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 >=1 && l <= n) { …

How can I remove the last line from a text file when writing linest …

WebMay 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 = … WebMay 20, 2005 · As we noted earlier, this means checking to see if the last two characters in the file consist of a carriage return character and a linefeed character. Thus we use the Right function to grab the two characters at the very end of the string and store these in the variable strEnd. That’s what we do here: strEnd = Right(strFile, 2) pita bread good for diet

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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 WebThere 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). 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. pita bread burger

c# - Read last line of text file - Stack Overflow

C# - Create and read the last line of a file - w3resource

WebJan 4, 2024 · The method returns a FileStream . byte [] buf = new byte [1024]; The buf is a byte array into which we read the data from the file. while ( (c = fs.Read (buf, 0, buf.Length)) > 0) { Console.WriteLine (Encoding.UTF8.GetString (buf, 0, c)); } The FileStream's Read method reads a block of bytes from the stream and writes the data in a given buffer. WebSep 30, 2024 · c# read last 10 lines of file. var nrOfPagesToRead = 10; var lastLines = File.ReadLines (filePath).TakeLast (nrOfPagesToRead); // careful because ReadLines … pita bread ingredient listWebNov 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; pita bread in air fryer

"WebWhere 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 … " - C# get last line of file

C# get last line of file

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

WebSep 30, 2024 · c# read last 10 lines of file Davis_m var nrOfPagesToRead = 10; var lastLines = File.ReadLines (filePath).TakeLast (nrOfPagesToRead); // careful because ReadLines (path) reads all the file in memory. // Do not use this for large files. Add Own solution Log in, to leave a comment Are there any code examples left? Find Add Code …

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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 … 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 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 … 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 …

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); … WebMay 30, 2007 · Sometimes that means doughnuts, and sometimes that means scripts that can remove the first line and the last line from a text file: Const ForReading = 1 Const ForWriting = 2 Set objFSO = CreateObject(“Scripting.FileSystemObject”) Set objTextFile = objFSO.OpenTextFile(“c:\Scripts\Test.txt”, ForReading) strText = objTextFile.ReadAll …

WebSep 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

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 steward urgent care austintown ohioWebApr 9, 2024 · To read last line from file in PHP, the code is as follows − $line = ''; $f = fopen('data.txt', 'r'); $cursor = -1; fseek($f, $cursor, SEEK_END); $char = fgetc($f); //Trim trailing newline characters in the file while ($char === " pita bread in bread machineWebJun 10, 2016 · No miracle solution, you'll have to read the whole file to reach the last line. You could load the entire file using File.ReadAllLines and then retrieve the First and Last one ( FirstOrDefault and LastOrDefault if file can be empty) Alternatively you could use a StreamReader (or equivalent) and loop through the file. pita bread in bahrainWebMar 11, 2024 · c# read last 10 lines of file. var nrOfPagesToRead = 10; var lastLines = File.ReadLines (filePath).TakeLast (nrOfPagesToRead); // careful because ReadLines … steward university.orgWebMay 18, 2015 · C# I would like to get the last word in a line. Some line has a blank at the end and some may not. I have tried: XML \\s [^A-zÀ-ú0-9]+$ But this return the space for the line which end with space. Posted 17-May-15 23:25pm Balav4 Updated 18-May-15 1:19am Leo Chapiro v3 Add a Solution 3 solutions Top Rated Most Recent Solution 1 pita bread ingredients store boughtWebMay 5, 2024 · C#: private async Task GetLastLine(string filePath) { using (var reader = new StreamReader(filePath)) { string line = null; while (!reader.EndOfStream) { line = await reader.ReadLineAsync(); } return line; } } Why is my data not saved to my database? MSDN: Data Walkthroughs "How Do I?" Videos pita bread in bread makerWebJul 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 pita bread is healthy