Determining an Empty File in a script

[jpor]

Hi Gurus,

I am currently developing a script that checks if a file has 0 bytes.

If doesn't then it e-mails. I can do the e-mailing bit. But can someone point me in the direction of how I can check a file for 0 bytes ?

Many thanks in advance.

( "To become Wise, first you must ask Questions&quot

 

[johngiggs]

jpor,

I believe find . -size 0 will do the trick.


Thanks,

John

 

[johngiggs]

Well... find /path/to/file -size 0

Depending on where the file is located.

John

 

[vgersh99]

if [ ! -s path2file ] ; then
   echo "file either doesn't exist OR its size is 0"
fi;

vlad
+----------------------------+
| #include<disclaimer.h> |
+----------------------------+

 

[jpor]

Cheers Guys.

How would I manupulate that command in an if statement.

As I will be scanning the file and if it = 0 then not e-mail else e-mail.

Thanks again.




( &quot;To become Wise, first you must ask Questions&quot

 

[johngiggs]

if [ -s path2file ] ; then
   mailx -s "File is not 0 bytes" name@domain.com
fi

 

[jpor]

Thanks vgersh99. That works a treat.


( &quot;To become Wise, first you must ask Questions&quot

 

[vgersh99]

johngiggs,

you have to negate the test.

vlad
+----------------------------+
| #include<disclaimer.h> |
+----------------------------+

 

[johngiggs]

Vlad,

It seems as though he only wants to be notified if the file is greter than 0 bytes - "if it = 0 then not e-mail else e-mail".

If that is true, then my post should work fine.

if [ -s path2file ] ; then
   mailx -s "File is not 0 bytes" name@domain.com
fi

John