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Re: Local variable in ToExpression?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg85563] Re: Local variable in ToExpression?
  • From: Daniel Huber <dh at metrohm.ch>
  • Date: Wed, 13 Feb 2008 07:45:42 -0500 (EST)
  • References: <foudqm$ltq$1@smc.vnet.net>

Hi Karl,
note that the local and global result are 2 different variables. Try e.g.:
Module[{result = 3}, result = ToExpression["result=1"]; result]
note that this will set the global result as well.
hope this helps, Daniel


karl.daggfeldt at gih.se wrote:
> Hi,
> How can I create a local variable from text in ToExpression?
> 
> test[] := Module[{result = 0}, 
> ToExpression["result=1"]; result]
> 
> test[] will return 0
> How can I make it return 1?
> (here ToExpression is creating a global variable; result=1, even though it is placed inside the Module)
> 
> Sincerely
> Karl Daggfeldt
> 


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