How can I validate an image file in Perl? -

How do I validate that a jpg file is a valid image file? We have files written in the directory using FTP , But we choose the file before writing the file, create invalid images. I need to be able to identify it when it is not being written any ideas so far?

The easiest way is to write a file in a temporary directory and then

: Error:

[Debate: None] If file references are redefined after a call, the file is not considered to be parsed by this module, and some The error message must be issued and should go to another file. An error message can be obtained by explaining the cause of the failure by error method:

Edit:

It may also be better.