See also: Why is using 'eval' a bad practice? to understand the critical security risks created by using eval or exec on untrusted input (i.e.: anything that is even partially under the user's control, rather …

The eval function is a powerful and easy way to dynamically generate code, so what are the caveats?

After reading the Bash man pages and with respect to this post, I am still having trouble understanding what exactly the eval command does and which would be its typical uses. For example, if we do...

Jan 7, 2015 · eval Evaluates a string of JavaScript code without reference to a particular object. If you construct an arithmetic expression as a string, you can use eval to evaluate it at a later time. For …

Dec 1, 2009 · This question cannot be language-agnostic because of the special role of block eval in Perl as the primary exception handling mechanism. Therefore, I submit to you that there cannot be …

eval is a bash-builtin and is documented in the man page of bash. So just type "man bash" and search for the appropriate section for eval. This applies for other bash-builtins, too.

Oct 13, 2008 · To the point, let's look at the dangers in the use of eval (). There are probably many small hidden dangers just like everything else, but the two big risks - the reason why eval () is considered …

Dec 3, 2009 · My Spider Sense warns me that using eval() to parse incoming JSON is a bad idea. I'm just wondering if JSON.parse() - which I assume is a part of JavaScript and not a browser-specific …

(1, eval) takes the value of the last one which is a function reference to the eval() function. It apparently does it this way to make the eval() call into an indirect eval call that will be evaluated in the global …

Apr 8, 2011 · By the way, there are many ways to avoid using exec / eval if all you need is a dynamic name to assign, e.g. you could use a dictionary, the setattr function, or the locals() dictionary: