List the files and ignore or remove already existing files C ++ windows
<p>i have to list the files in a folder/directory and even ignore the files already exist 
folder had few files like 
mFile.txt,
jobFile,
lFile,
zFile,
mFile,
sFile,
Applsoftware,
infrastructure,
and 
so on and i need to list all files and then ignore these files</p>

<p>lFile,
zFile,
mFile,
sFile,</p>
