Fwrite

From SA-MP Wiki

Jump to: navigation, search

fwrite

Image:Farm-Fresh text lowercase.png Note: This function name starts with a lowercase letter.


Description:

Write text into a file.


Parameters:
(File:handle, string[])
handleThe handle of the file to write to (returned by fopen).
stringThe string of text to write in to the file.


Return Values:

The length of the written string as an integer.


Image:32px-Circle-style-warning.png

Warning

Using an invalid handle will crash your server! Get a valid handle by using fopen or ftemp.


Image:32px-Ambox_warning_orange.png

Note

This functions writes to the file in UTF-8, which does not support some localized language symbols.


Example Usage:

// Open "file.txt" in "write only" mode
new File:handle = fopen("file.txt", io_write);
 
// Check, if file is open
if(handle)
{
	// Success
 
	// Write "I just wrote here!" into this file
	fwrite(handle, "I just wrote here!");
 
	// Close the file
	fclose(handle);
}
else
{
	// Error
	print("Failed to open file \"file.txt\".");
}
// Open "file.txt" in "read and write" mode
new File:handle = fopen("file.txt"),
 
	// Initialize "buf"
	buf[128];
 
// Check, if file is open
if(handle)
{
	// Success
 
	// Read the whole file
	while(fread(handle, buf)) print(buf);
 
	// Set the file pointer to the first byte
	fseek(handle, _, seek_begin);
 
	// Write "I just wrote here!" into this file
	fwrite(handle, "I just wrote here!");
 
	// Close the file
	fclose(handle);
}
else
{
	// Error
	print("The file \"file.txt\" does not exists, or can't be opened.");
}
// Open "file.txt" in "append only" mode
new File:handle = fopen("file.txt", io_append);
 
// Check, if file is open
if(handle)
{
	// Success
 
	// Append "This is a text.\r\n"
	fwrite(handle, "This is a test.\r\n");
 
	// Close the file
	fclose(handle);
}
else
{
	// Error
	print("Failed to open file \"file.txt\".");
}

Related Functions

The following functions may be useful, as they are related to this function in one way or another.


  • ftemp: Create a temporary file stream.
  • fwrite: Write to a file.
  • fgetchar: Get a character from a file.
  • fseek: Jump to a specific character in a file.
  • fexist: Check, if a file exists.
  • fmatch: Check, if patterns with a file name matches.
Personal tools