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| PerlMonks |
Re^2: How do you get IO::Uncompress::Gunzip to error if the input file isn't a GZ file?by afoken (Chancellor) |
| on Jun 20, 2020 at 14:20 UTC ( [id://11118271]=note: print w/replies, xml ) | Need Help?? |
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You could use file(1) magic to check if a file is indeed a compressed file before trying to uncompress. ... but you should remember that this creates a TOCTTOU vulnerability. Also, magic checks check only for magic numbers, not for validity. Alexander
-- Today I will gladly share my knowledge and experience, for there are no sweeter words than "I told you so". ;-)
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