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[REBOL] Context misery

From: sanghabum:aol at: 5-Jun-2001 7:13

Hi there, Could someone with a better grasp of context than me explain why this won't work?---I think the problem is using a local variable in a DO: myfunc: func [BlockName [string!] /local aa bb][ aa: copy [1 2 3] bb: join BlockName ": copy aa" print ["aa is " mold aa] print ["bb is " mold bb] do bb ] When I run it I get:
>> myfunc "myblock"
aa is [1 2 3] bb is "myblock: copy aa" ** Script Error: aa has no value ** Where: myfunc ** Near: myblock: copy aa
>>
All I'm trying to do is create a variable dunamically based on a name passed to a function. Thanks! Colin.