Re: [dev] print utility

From: markus schnalke <meillo_AT_marmaro.de>
Date: Tue, 02 Apr 2013 13:29:11 +0200

[2013-04-02 15:23] Sam Watkins <sam_AT_nipl.net>
>
> I suggest to extend your program so it can also print a range of lines
> (and thus subsume the functions of 'head' and 'tail' while doing more
> and yet staying fairly focused). You could perhaps use negative numbers
> to count back from the final line. It should be able to cut off 6 lines
> from the end of a file, or print from lines 10 through to the 2nd-last line.

Please don't write this tool as it is already available: ed(1):

echo '1,$-6p' | ed - "$1"
echo '10,$--p' | ed - "$1"

Better learn about software leverage!


meillo
Received on Tue Apr 02 2013 - 13:29:11 CEST