shell pipeline to reverse the order of lines.

Mario Wolczko mario at cs.man.ac.uk
Wed Feb 27 23:16:12 AEST 1991


In article <1991Feb19.132703.21495 at newcastle.ac.uk>, A.C.G.Saunders at newcastle.ac.uk (Aidan Saunders) writes:
> 
> I missed the start of this thread, but if the subject line is still
> relevant (:-)), how about using tail -r
> 
> ie:
>  tail -r filename
> 
> or if it needs to be on the end of a pipe:
> 
>  ... | tail -r
> 
> Works OK in SunOS 4.1

Restriction: the maximum buffer size is 32Kb.  
Try tail -r file|tail -r|cmp - file on a long file.

Mario

   ______      Dept. of Computer Science   Internet:      mario at cs.man.ac.uk
 /~      ~\    The University              uucp:      mcsun!ukc!man.cs!mario
(    __    )   Manchester M13 9PL          JANET:         mario at uk.ac.man.cs
 `-':  :`-'    U.K.                        Tel: +44-61-275 6146  (FAX: 6280)
____;  ;_____________the mushroom project___________________________________



More information about the Alt.sources.d mailing list