rozlisenie cisel a retazcov

[Marek Grac]

radamsava,

On Tue, 26 Mar 2002, Honza Pazdziora wrote:

> On Tue, 26 Mar 2002 16:39:37 GMT, Marek Grac <xgrac na aisa.fi.muni.cz> wrote:
> > 
> > 	chcel by som sa spytat, ci je mozne v perle nasledovne. potreboval
> > by som zistit ci je skalarna premenna cislo, alebo retazec. je mi jasne,
> > ze napisat regexp je pohoda :) ale da sa to aj inak. cez ref som schopny
> > zistit len to, ci sa jedna o skalar, hash, pole, ...
> 
> A jak definujete, ze je dany skalar cislo nebo retezec? Tedy zda je
> dany retezec cislo nebo obecny retezec?

No ak vychadzam z dokumentacie tak:

    "Perl can internally represent numbers in 3 different ways: as native
    integers, as native floating point numbers, and as decimal strings."

preto by podla mna mohla existovat moznost to z neho nejakym sposobom
dostat, alebo sa mylim?

marx
--
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[ marek 'marx' grac / gerard ][  We are all apprentices in a craft  ]
[                            ][ where no-one ever becomes a master. ]
[     xgrac na fi.muni.cz       ][                   Ernest Hemingway  ]
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