In .NET framework filestream exposes a Stream around a file, supporting both synchronous and asynchronous read and write operations. ActionScript 3 for AIR 2 and above also uses FileStream, which supports both synchronous and asynchronous read and write operations.
Questions tagged [filestream]
2638 questions
23
votes
3 answers
How to convert stream results to string
I want to convert the stream result output to string since I want
to use it in Junit I think that I need to use the string writer but
Im not sure how exactly to use it.
StreamResult result = new StreamResult(new…
user1578363
22
votes
1 answer
How do I load a string into a FileStream without going to disk?
string abc = "This is a string";
How do I load abc into a FileStream?
FileStream input = new FileStream(.....);
Mennan
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22
votes
3 answers
Http MultipartFormDataContent
I have been asked to do the following in C#:
/**
* 1. Create a MultipartPostMethod
* 2. Construct the web URL to connect to the SDP Server
* 3. Add the filename to be attached as a parameter to the MultipartPostMethod with parameter name…
user2985419
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22
votes
4 answers
Read the actual contents of text file using FileStream and these options c#
I need to open a text file within C# using FileStream and with the options mentioned below
var fileStream = new FileStream(filePath,
FileMode.Open,
FileAccess.Read,
…
user1776480
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21
votes
4 answers
FILESTREAM files being left behind after row deleted
I have successfully set up FILESTREAM on my SQL 2008 server; however I've noticed that even when I have deleted rows containing FILESTREAM data, the physical data file doesn't seem to get deleted.
By the physical file, I mean the file in SQLServer's…
Dale
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20
votes
3 answers
FileStream and StreamWriter - How to truncate the remainder of the file after writing?
var fs = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite);
using(var writer = new StreamWriter(fs))
writer.Write(....);
If the file previously contained text and the newly-written text is shorter than what was already in…
Nathan Ridley
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20
votes
2 answers
File.ReadLines without locking it?
I can open a FileStream with
new FileStream(logfileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Without locking the file.
I can do the same with File.ReadLines(string path)?
Felipe Fujiy Pessoto
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19
votes
3 answers
Python read stream
I need a very inexpensive way of reading a buffer with no terminating string (a stream) in Python. This is what I have, but it wastes a a lot of CPU time and effort. Because it is constantly "trying and catching." I really need a new approach.
Here…
dylnmc
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19
votes
2 answers
StreamWriter and IFormatProvider
How do I pass an IFormatProvider to a StreamWriter?
Specifically I want to create a
new StreamWriter("myfile.txt", CultureInfo.InvariantCulture);
TextWriter and StringWriter have a parameter for that in the constructor, but StreamWriter does…
HugoRune
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18
votes
3 answers
Determining file extension given a FileStream
Is there any way to know the type of the FileStream. I have a function that takes a FileStream object and I want to determine the file extension based on that FileStream.
Abdul Samad
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18
votes
3 answers
Download pdf programmatically
How can I download a PDF and store to disk using vb.NET or C#?
The URL (of the PDF) has some rediection going on before the final PDF is reached.
I tried the below but the PDF seems corrupted when I attempt to open locally,
Dim PdfFile As FileStream…
Perplexed
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18
votes
5 answers
Reusing a filestream
In the past I've always used a FileStream object to write or rewrite an entire file after which I would immediately close the stream. However, now I'm working on a program in which I want to keep a FileStream open in order to allow the user to…
Eric Anastas
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18
votes
1 answer
Windows API seems much faster than BinaryWriter - is my test correct?
[EDIT]
Thanks to @VilleKrumlinde I have fixed a bug that I accidentally introduced earlier when trying to avoid a Code Analysis warning. I was accidentally turning on "overlapped" file handling, which kept resetting the file length. That is now…
Matthew Watson
- 90,570
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17
votes
4 answers
FileStream with locked file
I am wondering if it's possible to get a readonly FileStream to a locked file?
I now get an exception when I try to read the locked file.
using (FileStream stream = new FileStream("path", FileMode.Open))
Thanks!
SaphuA
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17
votes
3 answers
How can I detect if a .NET StreamReader found a UTF8 BOM on the underlying stream?
I get a FileStream(filename,FileMode.Open,FileAccess.Read,FileShare.ReadWrite) and then a StreamReader(stream,true).
Is there a way I can check if the stream started with a UTF8 BOM?
I am noticing that files without the BOM are read as UTF8 by the…
bookclub
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