> I have now installed perl with pkg_add
> it was with success, but now when i start it
> 
> #perl
> /usr/pkg/bin/perl : exec format error : wrong architektur
> 
> i have a sparc classic with netbsd 1.6
> its possible that i have the wron version of perl ??

Most definitely :) You probably accidentally selected "sun3" instead of 
"sparc". Just uninstall it (pkg_delete -f perl-\* , then reinstall with 
pkg_add ).