functions.sh

function r18 {
  r_comb 1.8 "ruby rb-rubygems"
}

function r19 {
  r_comb 1.9 ruby19
}

function r_comb {
  for i in `port contents $2 | grep /bin/`
  do
    DIR=$(dirname $i)
    FILE=$(basename ${i/[0-9]*/})
    VFILE=${FILE}$1

    pushd $DIR > /dev/null
    if [ ! -L $FILE ]; then
      sudo mv $FILE ${FILE}1.8
    fi
    sudo ln -snf $VFILE $FILE
    popd > /dev/null
  done
}