It seems I cannot do this with tr

[Rouben Rostamian]

In article <1991May31.222945.18640 at ux1.cso.uiuc.edu> phil at ux1.cso.uiuc.edu (Phil Howard KA9WGN) writes:
>What I want to do is to translate ALL characters EXCEPT the ones I can
>provide a list of, to some other character (all will be to the same one).
>For instance if my character list has '[A-Z]' and the other character
>is '.', then my output would have only A-Z and (probably) lots of dots.

Use the flag -c ("c" for complement) with tr:

tr -c A-Z . <infile >outfile

--
Rouben Rostamian                          Telephone: (301) 455-2458
Department of Mathematics and Statistics  e-mail:
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