upvar

upvar makes the variable by that name in the procedure frame given by level (or at global level, if level is #0)

 

upvar #0 $httpObjName httpObj

==============

global httpObj

set httpObj $httpObjName

 

posted @ 2012-10-15 23:22  greencolor  阅读(175)  评论(0)  编辑  收藏  举报