How to convert lower case variable into upper case?

[Martin Weitzel]

In article <1075 at mwtech.UUCP> martin at mwtech.UUCP I wrote:
>
>	i0p=i1P
>	i1p=i1P
>	i2p=12P
>	....etc...
>
>Then use eval 'real_modem='$modem .
OOPS! Should be ..........=$'$modem of course.
-- 
Martin Weitzel, email: martin at mwtech.UUCP, voice: 49-(0)6151-6 56 83