#!/bin/bash
MOUNTPOINT=$1
REQ_SIZE=0
if [ -n "$2" ]
then
  REQ_SIZE="$2"
fi
BLOCK_SIZE=`stat -f -c"%S" $MOUNTPOINT`
FREE_BLOCK=`stat -f -c"%a" $MOUNTPOINT`
FREE_SIZE=$((FREE_BLOCK*BLOCK_SIZE/1024))

echo $FREE_SIZE

if [ $FREE_SIZE -gt $REQ_SIZE ]
then
  exit 0
else
  exit 1
fi

