> Hi,
> 
> I wanted to see how well Vim handles large files, so I entered
> something  like
> 
> ruby -e 'File.open("foo.txt","w") do |f|; f.write 6; end'
> 
> (the string to write was different, but the above is enough to
> reproduce  the error)
> but got
> 
> -e:1: parse error

Try swapping the single and double quotes.  Also, you don't need the 
semicolons.

-- 
Jason Voegele
"We believe that we invent symbols. The truth is that they invent us."
    -- Gene Wolfe, The Book of the New Sun