[LC++]Copying files and deleting directories

[Jack Lloyd]

On Wed, Sep 08, 2004 at 02:27:30PM -0300, Jan Pfeifer wrote:
> there is no system call or standard c library function to copy files. To 
> avoid researching about ideal buffer sizes and whatever other details 
> that may be involved in copying files -- the source for the gnu cp 
> program is quite big --, I'd recommend using:
> 
> /* see "system" c function: man 3 system */
> system( "/bin/cp source_file target_file" );
> 
> unfortunately this solution is probably not portable outside the unix 
> environment. But then, this is a linux-c++ list :)
> 
> best luck,
> 
> jan

a) This is pretty slow.

b) Depending on the application, you've got to make sure your filenames' don't
   contain `rm -rf $HOME` or similiar, as the shell will happily execute that.

-Jack