delete corrupted graphite whisper files

clean_whisper.sh

#!/bin/bash
options=('find' 'delete')
PS3='state your wish: '

echo -e "\nfind/delete corrupt whisper-files"

select opt in "${options[@]}"; do
	case $REPLY in
		[12] ) option=$opt; break;;
		* ) exit;;
	esac
done

if [ $option ]; then
	matches=()
	directory='/var/graphite/'

	for file in $(find $directory -type f -name '*.wsp' -print); do
		$(/usr/local/bin/whisper-info.py $file > /dev/null 2>&1)
		retval=$?
		echo -en "\r\033[Kchecking $file"
		[ $retval -ne 0 ] && matches+=($file)
	done

	if [ $option == 'find' ]; then
		echo -en "\r\033[Klisting ${#matches[@]} corrupt files:\n"
		for file in "${matches[@]}"; do
			echo -e "- $file"
		done
  	else
		echo -en "\r\033[Kdeleting ${#matches[@]} corrupt files:\n"
		for file in "${matches[@]}"; do
			sudo rm $file && echo -e "- $file"
		done
  	fi
fi