Converts all file names in the current directory to lower case

lowerit.sh

#!/bin/sh
# lowerit
# convert all file names in the current directory to lower case
# only operates on plain files--does not change the name of directories
# will ask for verification before overwriting an existing file

# Copied from:
# http://www.linuxjournal.com/content/convert-filenames-lowercase

for x in `ls`
do                                   
if [ ! -f $x ]; then
  continue
  fi
lc=`echo $x  | tr '[A-Z]' '[a-z]'`
if [ $lc != $x ]; then
  mv -i $x $lc
fi
done