Data is available or not in a flat file generated by Oracle

Shell Programming and Scripting
1

Hello,

please help me an the below issue.

i need to check whether data is available or not in a flat file generated by oracle
(sometimes sql didn't any records) to overcome this.
without opening flat file.

Thanks.......

2 
$ ls -l file
-rw-r--r-- 1 aaaa None 0 Mar 12 17:27 file
$ [[ ! -s ./file]] && echo empty
empty