Re: Is it possible to store an arthimetric operator in a variable?

As transient said, eval offers the most straightforward answer to what was asked; so to put this into your code:

if ( eval ( "$num $eq $1") ) {
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Re^2: Is it possible to store an arthimetric operator in a variable? by radiantmatrix (Parson) on Jul 19, 2005 at 16:37 UTC
It is worth mentioning that one shouldn't `eval` user-supplied strings until they have been checked for safety (untainted). If a user is supplying the value for `$eq`, they could supply Perl code that would be executed: obviously, that's potentially dangerous. <-radiant.matrix-> Larry Wall is Yoda: there is no `try{}` (ok, except in Perl6; way to ruin a joke, Larry! ;P) The Code that can be seen is not the true Code	[reply]

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Re^2: Is it possible to store an arthimetric operator in a variable?
by radiantmatrix (Parson) on Jul 19, 2005 at 16:37 UTC

It is worth mentioning that one shouldn't eval user-supplied strings until they have been checked for safety (untainted). If a user is supplying the value for $eq, they could supply Perl code that would be executed: obviously, that's potentially dangerous.

<-radiant.matrix->
Larry Wall is Yoda: there is no try{} (ok, except in Perl6; way to ruin a joke, Larry! ;P)
The Code that can be seen is not the true Code

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