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Date: Fri, 16 Jun 2000 14:53:30 -0400
From: Clint Adams <schizo@debian.org>
To: zsh-users@sunsite.auc.dk
Subject: more fun with parameter expansion
Message-ID: <20000616145330.A8031@scowler.net>
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This is for someone who wants to take a directory tree and convert all
the filenames (and directory names) to lowercase, replacing spaces
with underscores.  It presumes that you are using GNU mv and have
MARK_DIRS set.  I'm sure that someone can make it more efficient.

for i (*(/N)) {mv -v "$i" "${(L)i:gs/ /_/}"}
for i (*/**/*(/N)) {mv -v "${${(L)i%/*/}:gs/ /_/}/${${${i#*/}%/}##*/}" "${(L)i:gfor i (**/*(N^/)) {mv -v "${i}" "${(L)i:gs/ /_/}"}