Questions tagged [fopen]
fopen opens a file resource, in order to read, write or append content to it.
fopen
2,913
questions
5
votes
1
answer
73
views
Intercept open syscall in C, when called via fopen
I'm trying to code up a (limited) in-memory file system redirects via libc/syscall interception and returning memfd_create-produced file descriptors for the files that are virtualized. As a ...
- 1,076
2
votes
1
answer
65
views
Unsuccessful attempt in creating/overwriting a file using fopen
I tried to run the following program:
#include <stdio.h>
#include <stdlib.h>
int main(){
FILE *datei = fopen("employees.txt", "w");
fprintf(datei, "Anna\n&...
- 23
2
votes
2
answers
142
views
Why doesn't my C program save the inputs to file using fopen()?
I just learned C and I'm trying to save the inputs from the user when the code runs, but then it seems that I cannot store the inputs especially for saving the inputs when I rerun the file again. I ...
- 21
1
vote
2
answers
55
views
Non existent path or file when reading a file in a network shared drive, in Oracle DB 21c XE?
I have a network public drive with EVERYONE access to read and write, which is my PC running windows 10. My oracle instance is running on my laptop which is windows 11 and I have mounted the network ...
0
votes
1
answer
39
views
fopen() cannot read .xml file from connection
I was able to read the .xml file, which is publicly available and accessible from the web browser, in a normal way until today as follows.
$file_handle = fopen($exchanges_file_url, 'r');
However, as ...
- 1
0
votes
0
answers
47
views
SAS inserting observations from textfile, incomplete read
Having a textfile containing lines like
Mailtext = '/9j/4AAQSkZJRgABAQEAkACQAAD/...
- 85
-1
votes
1
answer
99
views
The fread function throws an exception when reading a binary file
This function receives the main.c binary file path in the command line parameter, then reads the contents of this file, puts it into the buffer character array, adds the terminator '\0' at the end, ...
- 21
0
votes
1
answer
39
views
PHP :: create file name with emoji characters using fopen
I'm trying to create file name without text and use emoji instead.
If I'm putting the character itself it is working perfectly
BUT
I want to use safer method inside my php code so I replaced it with ...
- 643
0
votes
1
answer
47
views
How to get fopen with "rw" to work in php?
I have looked at several excellent questions/answers related to this (such as this and this), and none seem to apply. The latter link says r and rw are the same (at least rw+) and fopen ignores the w....
- 1,329
0
votes
0
answers
37
views
JSON to CSV using php, but prevent saving file on server [duplicate]
We use the following php code to transform JSON to CSV, that works fine. But it will also create a file named download.csv that will be downloaded. Is there a way to build and download a .csv all on ...
- 1,802
0
votes
1
answer
69
views
Integer File Not Opening Correctly
I apologize that this is probably a question with a very simple explanation, but I can't seem to find it. I'm currently trying to build a basic database with C. I need to save a structure-linked ...
- 67
-3
votes
1
answer
99
views
Write file and read file in C
I am doing some homework and preparing for a final exam. Here is my problem:
A square matrix (nxn)
Write down the Even elements into matran.txt, then read from file and display it on screen
Code:
//...
0
votes
2
answers
78
views
How do I read files in different directories using C?
I have been learning C as of late, and the one thing that keeps tricking me up is file reading/writing. My goal is to print out the contents of "words.txt" in my main file. I know how to do ...
- 11
-2
votes
1
answer
40
views
fopen() with full file path not creating file and no errors when checked in C using Xcode macOS
I am new to C and just started learning how to create and write files in Xcode. I know some Python and bash and have been able to read, write, append, create, delete, move text files but this issue ...
- 13
0
votes
1
answer
123
views
How to stream a video in Laravel
I'm trying to stream a video in Laravel 9 by using imanghafoori1/laravel-video package.
but I keep getting an error message:
fopen(C:...\storage\videoFiles/ui/2024-02-11-1-I6bnWsI8J0-128210 (Original)...
