file-io

JavaScript file to byte[]

Is it possible to read a file in from a path in JavaScript and create a byte[] of that file? ...

How to find out why renameTo() failed?

Hi, I am using WinXP. I use java to generate a list of files. The file will be created as abc.txt.temp at first, and after completing the generation, it will be renamed to abc.txt. However, when i generating the files, some of the files failed to be renamed. It happen randomly. Is there anyway to find out the reason why it failed? i...

how to take file like object in a file in python

filename = fileobject.read() i want to transfer/assign the whole data of a object within a file ...

File I/O function for C

char *loadTextFile(const char *filename) { FILE *fileh; char *text = 0; long filelength; if((fileh=fopen(filename,"rb"))== 0) printf("loadTextFile() - could not open file"); else { fseek(fileh, 0, SEEK_END); filelength = ftell(fileh); rewind(fileh); text=(char *) smartmalloc...

How expensive is reading file properties? .NET

We're experimenting with appending timestamps to some URL's to let things cache but freshen them when they do change. We have code that boils down to this: DateTime ts = File.GetLastWriteTime(absPath); where absPath is a MappedPath of a url. So the web server will be checking this file's last write time every time we serve up a link t...

Find latest file name in C

Would like to fopen() the latest file in a directory (with naming scheme file1.txt, file2.txt, file3.txt, etc.) Is there an API function in Visual Studio for this? If not, is it a good idea to read in all the .txt file names and sort to get the one I need? Is there a better algorithm I could be pointed to? Thanks. ...

NULL after Open and Print File Content in C Code

This is a simple code that open and print the file content. #include <stdio.h> #include <stdlib.h> int main ( int arg_count, char *arg_vec[] ) { int ch; FILE * fp; int i; if (arg_count <2) { printf("Usage: %s filename\n", arg_vec[0]); exit(1); } if ((fp = fopen(arg_vec[1], "r")) == NULL) { // ...

How do i create a new folder and save files to it?

Hello everyone, I am working off a project in visual studio 2008 and my program outputs a whole bunch of .txt files that i use to check if my program is running as it should. At first i was only outputting a few files, but now i'm outputting more and more and the input files and output files are getting mixed up and it is becomming har...

How can I store a Word file programmatically in SQL Server 2005 with C#?

I have a button on my form. When the user clicks on the button, Microsoft Word is running. I want to store the file in SQL Server 2005, when the user saves the file. ...

changing default file location for vb.net

i would like to be able to set the change the default file location. for example if i do a filestream on a "file.txt", i want it to look by default in the desktop. is there somewhere in the settings of vb.net express 2008 where i can change this default location of working with files? ...

Pass InputStream through JNA to C code as a File Pointer

I've got a DLL written in C (that I can't edit) that has some function prototype that looks like #include <stdio.h> void foo(FILE *bar); I'd like to create a JNA interface to the DLL and it's unclear what I need to pass for the FILE *bar argument. I assume I need to pass an InputStream (which is my preference), but the JNA literature...

Sharepoint adding an item into a Picture Library

I would like to add an item into a picture Library using c#. This is how I would add a field to a normal item: var item = list.Items.Add(); item["Title"] = "Item title"; item.Update(); How would I go about adding the picture? The picture is stored on the file system i.e. c:\myfile.png I iamgine I need to use SPFile but not sure how. ...

Alternative ways to open a file for writing on J2ME?

I've inherited a bit of J2ME code where a single class has the following two methods in it: public DataOutputStream getOutputStream(String filePath) throws IOException { return Connector.openDataOutputStream(filePath); } public DataOutputStream createOutputStream(String filePath) throws IOException { FileConnection fc = (FileC...

C#: Append to beginning of a file

What is the best way to add text to the beginning of a file using C#? I couldn't find a straightforward way to do this, but came up with a couple work-arounds. Open up new file, write the text that I wanted to add, append the text from the old file to the end of the new file. Since the text I want to add should be less than 200 charac...

Environment.CurrentDirectory is yielding unexpected results when running installed app

Background: I built an installer for my app, and all my dll's and content files are getting correctly copied to the C:\Program Files\MyCompany\MyApp directory. When I run my app from Visual Studio, everything works great. When I run the installed version of my app, however, I get a DirectoryNotFoundException. The problem seems to be wit...

Is there a FileIO in Python?

I know there is a StringIO stream in Python, but is there such a thing as a file stream in Python? Also is there a better way for me to look up these things? Documentation, etc... I am trying to pass a "stream" to a "writer" object I made. I was hoping that I could pass a file handle/stream to this writer object. ...

Create a File in ASP.Net

My web application wishes to send a file as an attachment to an email. That is quite doable; all I must do is specify the path to the file. But prior to sending the file, the system must create the file- it is a rendered report. It matters not where it is saved, since it will be in an attachment. That being the case, I cannot figure out ...

How can I write data to a file in the workspace of a blackberry jde?

I'm having a file in the workspace and I'm reading the contents of that file. I am able to display that content in an edit field. Now I want to know how I can, if I change the content of the edit field, update the file in the workspace. How do I perform a write operation on the file in the workspace? ...

Why does the C++ ofstream write() method modify my raw data?

I have a jpeg image in a char[] buffer in memory, all I need to do is write it out to disk exactly as is. Right now I'm doing this ofstream ofs; ofs.open(filename); ofs.write(buffer, bufferLen); ofs.close(); but the image doesn't come out right, it looks garbled with random black and white stripes everywhere. After comparing the imag...

How to save & delete a Bitmap image in Blackberry Storm?

I have a ready Bitmap image. Now I want to save & delete it. I m doing it like.. FileConnection fconn = (FileConnection)Connector.open("file:///store/home/user/StoredBitmap/"+picIndex+".bmp",Connector.READ_WRITE); if(!fconn.exists()) fconn.create(); OutputStream out = fconn.openOutputStream(); if(im...