If the filename contains metacharacters this may lead to undesired behavior:
open(LOCAL, ">/var/www/html/pmuze/upload/$username/$fileName")
I would highly recommend to use a
three argument call to open as to avoid the open function from performing any
magic.
Excerpt from open function Perl documenattion:
The filename passed to 2-argument (or 1-argument) form of open() will have leading and trailing whitespace deleted, and the normal redirection characters honored. This property, known as "magic open", can often be used to good effect. A user could specify a filename of "rsh cat file |", or you could change certain filenames as needed.
Use 3-argument form to open a file with arbitrary weird characters in it.
In particular for filenames received via webforms you want to be careful.
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