memory_log_title() {
  echo "MemTotal (kB),MemFree (kB),Cached (kB),Buffers (kB)"
}

memory_log() {
  local MEMTOTAL=$(sed -n 's/MemTotal.* \([0-9]*\) .*/\1/p' /proc/meminfo)
  local MEMFREE=$(sed -n 's/MemFree.* \([0-9]*\) .*/\1/p' /proc/meminfo)
  local CACHED=$(sed -n 's/^Cached.* \([0-9]*\) .*/\1/p' /proc/meminfo)
  local BUFFERS=$(sed -n 's/^Buffers.* \([0-9]*\) .*/\1/p' /proc/meminfo)
  echo $MEMTOTAL,$MEMFREE,$CACHED,$BUFFERS
}

