"Dr.Ruud" <[EMAIL PROTECTED]> wrote: beast schreef:
> a 100 > a 102 > c 100 > a 102 > b 111 > c 100 > c 102 > c 100 > c 100 > a 102 > ... > > I would like to have a list (either array or hash) with unique line . perl -ne'$_{$_}||=print' datafile or perl -pe'$_ x=!$$_++' datafile -- Affijn, Ruud what are these exactly doing in plain english? 1st line is not printing and second it is, but gets confusing at ||= in the 1st line and at !$ in 2nd line. thank you __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com