#!/bin/ksh
#Rename all the files in the current directory.  Do not change the
#contents of the files.  Compare Handout 5, pp. 20-21.

status=0   #innocent until proven guilty

for filename in *
do
	newname=`echo $filename | tr '[A-Z]' '[a-z]' | sed '
		s/[ 	]/-/g
		s/^-\(.\)/\1/
		s/\.htm$/.html/
	'`

	if [[ -f $newname ]]
	then
		echo $0: found $filename and $newname 1>&2
		status=1
	else
		echo $filename
		mv $filename $newname
	fi
done

exit $status