Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/src/cmd/tex/rename
#! /bin/sh # rename: rename files accoring to expression. # Copyright 1997 Olaf Weber <infovore@xs4all.nl> # Public Domain. expr="$1" shift for i do j=`echo "$i" | sed "$expr"` mv $i $j done