[R] as.integer

[aledanda]

Hi,

Is there a way to recursively change the variables imported with
read.table(..) - and then attached with attach(..) - from as.factor to
as.integer?
I have about 9 variables that are now recognized as factors but I need to do
statistics on them so I need to change them in as.integer. It works, but I
wonder if there is a way to to this for all the variables in one go. 

Thanks a lot for your help

Ale
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