From: Love U Ruby <lists@...>
Date: 2013-02-15T06:38:35+09:00
Subject: Re: Confusion with Ruby command line options

from the doc:
=============

-a              autosplit mode with -n or -p (splits $_ into $F)

aruprakshit@ubuntu:~$ ruby -ane 'puts $_;puts $_.split;puts $F[4]' # I 
used -a explicitly
hi i am a good boy
hi i am a good boy
hi
i
am
a
good
boy
good

aruprakshit@ubuntu:~$ ruby -ne 'puts $_;puts $_.split; $F = $_.split; 
puts $F[4]' # I used -a not explicitly,rather implicitly by
                                                                                  # 
$F = $_.split
aa ss ff fgz fkf kl
aa ss ff fgz fkf kl
aa
ss
ff
fgz
fkf
kl
fkf

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