gistfile1.sh

#!/bin/sh

CFS="key zomo"
for C in ${CFS} ; do
  DMG=${HOME}/cfs/${C}.dmg

  if [ ! -f ${DMG} ] ; then
    echo no ${DMG} for ${C}
    next
  fi

  if mount | grep -q /Volumes/${C} ; then
    echo ${C} already mounted
  else
    hdiutil attach ${DMG}
    mount -u -onoatime,noowners /Volumes/${C}
    echo ${C} mounted
  fi

  mount | grep /Volumes/${C}
done