Re: [SLUG] Tuesday afternoon shell command optimisation party!

[Rick Welykochy <rick@xxxxxxxxxxxxx>]

Jamie Wilkinson wrote:
> This one time, at band camp, Jeff Waugh wrote:
> > Hi all,
> >
> > Here's a starting point. What's a more optimal way to perform this task? :-)
> >
> >  sed 's#[^,]*##g' input.txt | tr -d '\n' | wc -m
> >
> > Tuesday afternoon shell optimisation party!
>
> You want to count the total number of characters in a file, not including
> newlines, that are on lines that don't start with a comma.
>
> Does it have to be in shell? :-)

How about this. You want to count the total number of commas in a file.

python -c "import sys; print (''.join(sys.stdin.readlines())).count(',')" < input.txt

cheers
rickw


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Rick Welykochy || Praxis Services

People who enjoy eating sausage and obey the law should not watch either being made.
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