On Sun, Jul 13, 2014 at 04:43:41PM -0400, ESChamp wrote:
> I apologize for having to ask this but my nearly-80-year-old brain just
> could not come up with a solution.
> 
> I have a text file consisting of several space-separated fields:
> 
> lastname firstname other other other ... emailaddress
> 
> I wish to write a new file that contains only the emailaddress field
> contents.
> 
> There's no need to test the emailaddress field.
> 
> I just need a quick and dirty solution as this will be used just one time.

Quick and dirty solution:

$ perl -nale 'print $F[-1]' < original_file.txt > just_email.txt

perldoc perlrun if you want to see why that works.  Take a look at the
-a option.  The -1 index into @F says use the last element of the array.

-- 
Paul Johnson - p...@pjcj.net
http://www.pjcj.net

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