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Posted by PerlFAQ Server on March 27, 2008, 3:03 am
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This is an excerpt from the latest version perlfaq7.pod, which
comes with the standard Perl distribution. These postings aim to
reduce the number of repeated questions as well as allow the community
to review and update the answers. The latest version of the complete
perlfaq is at http://faq.perl.org .
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7.12: How can I tell if a variable is tainted?
You can use the tainted() function of the Scalar::Util module, available
from CPAN (or included with Perl since release 5.8.0). See also
"Laundering and Detecting Tainted Data" in perlsec.
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