how to see if the file is empty or not?

Shell Programming and Scripting
1

hi
how can I determine, if a file is empty or not?I am using read line clause.

The script should be like:

while read line
do
if(file is empty) then;
......
done < $blacklist

2

Hi! Check the man page for test. You can use something like this in your test command.

 [ ! -s $file ]