export GEMDIR=`gem env gemdir`
 
gemdoc() {
  open $GEMDIR/doc/`$(which ls) $GEMDIR/doc | grep $1 | sort | tail -1`/rdoc/index.html
}
 
_gemdocomplete() {
  COMPREPLY=($(compgen -W '$(`which ls` $GEMDIR/doc)' -- ${COMP_WORDS[COMP_CWORD]}))
  return 0
}
 
complete -o default -o nospace -F _gemdocomplete gemdoc