investigate file I/O and file copy operations.

Following the marking scheme given in the Learning Guide, the following are the equally weighted functionality requirements broken down by part. • correct collection of source file information • correct collection of destination file information • correct test of files being the same • something sensible done when files are the same • correct permissions assigned to destination • correct detection of destination being a directory • correct allocation of memory • correct construction of destination file name • correct freeing of allocated memory • correctly aborting when destination exists