Questions tagged [streamwriter]
StreamWriter is designed for character output in a particular encoding, whereas classes derived from Stream are designed for byte input and output.
streamwriter
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Delete a string value in a CSV File with C#
I deleted my previous post in hopes this one is better and clear to be able to get help. I appreciate it.
So far, with my code I am uploading a CSV file to format it as: I have skip the headers and ...
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need to close after FILE.READLINES
I need to read all content of a file but keep only some of the content and append new content. So I tried to use READLINES filter the lines I need to keep then rewrite the file with the kept lines and ...
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ASP.NET - HttpResponse.WriteAsync() vs HttpResponse.Body.WriteAsync() vs HttpResponse.BodyWriter.WriteAsync()
In ASP.NET one has three options (that I know of) for writing directly to the response buffer.
Given the following data:
var str = "Hello World";
var bytes = Encoding.UTF8.GetBytes(str);
We ...
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NamedPipeClientStream stalls after the first ReadLineAsync, and stalls on the first WriteLineAsync
I chose NamedPipes over TCP because I needed two applications on the same machine to talk to each other. I wanted exceedingly simple, quick, and easy, unfortunately it has proven to be the opposite.
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streamwriter and special characters & ’
To my understanding when I write a file using notepad++
I can write the symbols ’ and & without a problem in a text file.
Both are valid ASCI symbols and they are not that exotic either.
& = ...
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How to Remedy Error System.UnauthorizedAccessException in My Console App?
I've programmed a console app using C#.
When I run the console app I receive the error noted above. My programming logic is as follows:
class Program
{
static void Main(string[] args)
{
...
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How do I download an xml file written with StreamWriter as an xml file
I have an XML file written in C# using StreamWriter with this code:
String filename = Session.SessionID + ".xml";
String filepath = "h:\\root\\home\\mchinni-001\\www\\site1\\OUTFolder\\&...
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C# StreamWriter with using-block inside a while loop intermittently fails on slow network drive
I have a logging class in which I spawn a Task to append all messages from a BlockingCollection<string> to the log file, sleep two seconds, and repeat infinitely, until the fifo is completed.
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C# Export Logs to 2 txt files
So I have a button made from my xaml file (view), called Export.
When the user clicks on it, the logs created during the run of the app get exported to Logs.txt.
If there are Warnings, Errors or ...
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Does a MailMessage Attached to a Stream Generate a File?
In one method I have the below code:
var newMessage = new MailMessage();
newMessage.Attachments.Add(new Attachment(ToStream("testAttachment"), MediaTypeNames.Text.Plain));
Then I have this ...
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How to ignore commas in cell value when using StreamWriter to write to csv output
I am processing a .txt file, which needs to be repeated every 10 lines. I then want to turn this into a .csv file. However, some of the .txt file contains commas which I want to keep in a single cell ...
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Does WriteAllLines delete the existing file and recreate it, or overwrite the data inside it?
I use the File.WriteAllLines() method in my project. The txt file is to be synced to a remote server (via another application, Autodesk Docs in my case) upon Save action.
I am not sure why, but using ...
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C# StreamReader throws OutOfMemoryException on last line when splitting large delimited text file
I am writing a function in C# to split a large delimited file into smaller delimited files. I am writing this function because a 2.7 GB file was taking hours to ETL and was causing a bottleneck to ...
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C# Unable to overwrite file contents when file extension is .txt
I am attempting to write a string to a file that the user specifies using the SaveFileDialog component.
The output file is created and populated successfully if it does not already exist.
However, if ...
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StreamWriter.Write that returned by a method not working
I have a program file in C# that in some point looks like this:
var lowest3Students = studentAVGsOrdered.Take(3);
using var writer4 = GetStreamWriter(folder, "file4.txt");
WriteStudents(...