The title of this article might be a little confusing at first glance. Why would someone want to scan files in a directory for certain strings and output them in a new file ? Few ideas come to my mind why this could be useful. Imagine that you were surfing a website with lots of images that you liked very much. You could download those images manually or use the software Win Text File Patch to scan all files in your browsers cache for a certain string and output them in a new file.
