Quickly open a gem directory with Textmate

.profile

gemopen() {
	gem_dir=( $(find $GEM_HOME/gems -maxdepth 1 | grep $1) )
	for line in ${!gem_dir[*]}; do
		echo $(($line + 1)). ${gem_dir[$line]}
	done
	if [ ${#gem_dir[*]} == 0 ]; then
		echo $1 directory not found.
	else
		echo -e '> \c'
		read inpt
		dir=${gem_dir[$inpt - 1]}
		if [ -d $dir ]; then
			mate $dir
		fi
	fi
}