filamentgroup/quickconcat — pull request #5 by staabm (2012-08-16 07:21:14+00:00)
Title: filter $files when not contained in the current folder or one of its subfolders

fix according to comment:
https://github.com/filamentgroup/quickconcat/commit/a41ba9a9ab3a6cc431e2c45cc17db54ef3c535b1#commitcomment-1718693

see diff: https://github.com/staabm/quickconcat/compare/sanitize_filenames?w=1