c write to file append code example

Example 1: php write to file

$myFile = "testFile.txt";
$fh = fopen($myFile, 'w') or die("can't open file");
$stringData = "Bobby Bopper\n";
fwrite($fh, $stringData);
$stringData = "Tracy Tanner\n";
fwrite($fh, $stringData);
fclose($fh);

Example 2: obj c write file

//writes an textfile to an place in the document directory
-(void)write:(NSString *)dir file:(NSString *)ff{
    //get the documents directory:
    NSArray *paths = NSSearchPathForDirectoriesInDomains
    (NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    
    //make a file name to write the data to using the documents directory:
    NSString *fileName = [NSString stringWithFormat:[@"%@/" stringByAppendingString:dir], 
                          documentsDirectory];
    //creates the content
    NSString *content = ff;
    //save content to the documents directory
    [content writeToFile:fileName 
              atomically:NO 
                encoding:NSStringEncodingConversionAllowLossy 
                   error:nil];
    
}


//usage: [self write:@"text.txt" file:@"this text will be saved"];

Example 3: write a binary file c

FILE *write_ptr;

write_ptr = fopen("test.bin","wb");  // w for write, b for binary

fwrite(buffer,sizeof(buffer),1,write_ptr); // write 10 bytes from our buffer