On Thu, Nov 29, 2001 at 07:09:10AM -0600, Greg Bacon wrote:
> Yesterday, I saw an interesting related exercise. Write a program that
> reads the lines from a file and outputs the middle line. The kicker is
> that you can't use arrays. (Note that there's a little ambiguity with
> respect to the definition of "middle line" when the number of lines in
> the file is even or when there is only one line. Just pick a reasonable
> definition and get to work.)
From the ludicrous department:
perl -p0 -e'1while s/.*?\n(.*\n).+\n?/$1/s;s/\n.*//'
Joy,
Yanick
--
print join ' ', reverse split ' ', reverse join ' ',
q/teY rehtona lreP .rekcah/;
