Counting characters with unix utilities
Bob McGowen x4312 dept208
bob at wyse.wyse.com
Tue Sep 25 12:00:13 AEST 1990
In article <EMV.90Sep24165437 at picasso.math.lsa.umich.edu> emv at math.lsa.umich.edu (Edward Vielmetti) writes:
>In article <TED.90Sep24090053 at kythera.nmsu.edu> ted at nmsu.edu (Ted Dunning) writes:
>
> cat file | tr -cd 'A' | wc -c
>
> ed must have been kidding when he left the cat in place, instead of
....
>
>nope. I cat files all the time. That way when I go back to edit this command
>to work on the output of a command instead of the contents of a file
...
Also, a script using:
cat $* | tr -cd 'A' | wc -c
can use command line args OR read its standard input.
Bob McGowan (standard disclaimer, these are my own ...)
Product Support, Wyse Technology, San Jose, CA
..!uunet!wyse!bob
bob at wyse.com
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