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Re: Keeping track of variables used in Mathematica

• To: mathgroup at smc.vnet.net
• Subject: [mg122831] Re: Keeping track of variables used in Mathematica
• From: Armand Tamzarian <mike.honeychurch at gmail.com>
• Date: Fri, 11 Nov 2011 04:58:20 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <j9ge4n$opm$1@smc.vnet.net>

On Nov 10, 10:56 pm, Mark <big.d... at att.net> wrote:
> Hello community:
>
> Does Mathematica have a command that will output or compute a list of cus=
tom variables assigned and used in a current notebook / Mathematica session=
?
>
> If so, what is the command / expression?
> Thanks in advance
> Mark

This

Names["Global`*"]

will give you a list of all global variables defined in your session.
If you have created variables in a different context you would have to
sub that context in the expression. The fact that a variable has been
defined doesn't mean that it is being used though. If getting a list
of variables *used* within your notebook is really what you want then
you could take the global list and scan your notebook using e.g. Cases
but I'll leave that for now.

Mike