[R] eliminating control characters from formatted data files

[David Epstein]

Murray Cooper wrote:
> 
> This may be a case of "If all you have is a hammer, everything looks like
> a 
> nail".
> If all you want to do is remove the last line if it contains a CONTROL-Z, 
> why
> not use something like perl to process the files?
> 
My first thought was to use perl, and this would have saved a lot of my
time, in the short run. However, I'm trying to learn R, and the way to learn
a programming language is to use it. I've learned a lot about R from this
exercise, much more than has been revealed on this forum.
David
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