I think it is fairly secure: you can set variables but you can't execute anything.
Not true at all. What if someone hands you: 
foo__`date`

[download]
You've just executed the date command. I'll leave it to you to come up with nastier ones.

There are safer (and faster) ways to walk a tree than to use runtime string eval. See the parents of "RE: (jcwren) RE: varying length multi-dimensional hashes" for better ways.

-- Randal L. Schwartz, Perl hacker

In reply to Re: Re: stringification by merlyn
in thread stringification by dash2

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