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


This one time, at band camp, Alex Samad wrote:
>On Tue, Dec 18, 2007 at 11:57:39PM +1100, Jamie Wilkinson wrote:
>> This one time, at band camp, Jeff Waugh wrote:
>> ><quote who="Robert Thorsby">
>> >
>> >> >   sed 's#[^,]*##g' input.txt | tr -d '\n' | wc -m
>> >> 
>> >> Something like the following might be close:
>> >> 
>> >> awk 'BEGIN{FS=","}{$0~",$":i=i+NF?i=i+NF-1}END{print(i)}' input.txt
>> >
>> >Close in what sense, the syntax error, the length, or the output? ;-)
>> 
>> Why *are* you using the g option to sed's search and replace?
>g - global (?) means to do it more than one time on the line

Right, yes, but I didn't see why he wanted to do a global search and replace
on non commas originally, I read that character class incorrectly the first
time :)