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

In reply to Re^2: Is it possible to store an arthimetric operator in a variable? by radiantmatrix
in thread Is it possible to store an arthimetric operator in a variable? by Anonymous Monk

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