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Re^3: Stop Using Perl pt. 2by Corion (Patriarch) |
on Dec 29, 2015 at 15:21 UTC ( [id://1151371]=note: print w/replies, xml ) | Need Help?? |
Even if you use the relatively safe three-argument version of open, you need to sanitize the user input. Ideally, you would never use user input to open a file or pass user input to an operating system function, which is where open basically ends up at. If you open files from user input and don't use three-argument open, you get what you deserve. This is documented in I/O Operators, but maybe not in such direct words.
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