On Wed, 26 Mar 1997 16:39:39 +0100 Heiko Schlittermann (heiko@os.inf.tu-dresden.de) wrote: > find -type f -printf "%f\n" | sort > files.exist > sort < searchlist > files.search > comm -1 -3 files.exist files.search Which can be abbreviated with zsh to: comm -1 -3 <(sort searchlist) <(find -type f -printf "%f\n" | sort) Hop ! No more cluttering, no more intermediate files. I love zsh's redirection ! Phil.