Reversing a file?

[Jean-Pierre Radley]

In article <MONTNARO.89Oct2224215 at sprite.crd.ge.com> <montanaro at crdgw1.ge.com> (Skip Montanaro) writes:
>Does somebody have an elegant shell script for reversing the lines of a
>file? I've come up with the following short one:


I don't think I made this up. Maybe I got it from Kernighan & Pike.
But it does seem simpler than the answers I've seen posted to date,
if you don't have 'tail -r', and if the file isn't too big (whatever that
may be, but at some point awk runs out of space).

<file awk '
	{ line[i++] = $0 }
END	{ while (i--) print line[i] }
'
-- 
Jean-Pierre Radley					      jpr at jpradley.uucp
New York, NY					      72160.1341 at compuserve.com