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 …

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...

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

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 …

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 …

eval makes it possible to execute (or evaluate) a string of javascript code. Thus, it is applicable when you want someone to execute a string of javascript code.

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 …

Sep 13, 2011 · I need to evaluate a custom function passed from the server as a string. It's all part of a complicated json I get, but anyway, I seem to be needing something along the lines: var …

Oct 12, 2018 · I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement. Can someone please explain the difference between …