From: 1up gfx <jordan.rubytalk@...>
Date: 2008-01-04T08:23:51+09:00
Subject: Re: Help Please!

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On Jan 3, 2008 12:58 PM, Joshua Schairbaum <joshua.schairbaum@gmail.com>
wrote:

> You don't use irb for that.  At the command prompt, that's the ruby
> command you give it.
> $F = is an environmental variable that can receive split line input
> as an array
>
> a = autosplit mode, basically takes the input and splits it out
> n = pauses the command, like assuming a "while" command
> e = the command
>
> regards,
> ch0wda
> On Jan 3, 2008, at 2:46 PM, 1up gfx wrote:
>
> > On Jan 3, 2008 10:53 AM, Joel VanderWerf <vjoel@path.berkeley.edu>
> > wrote:
> >
> >> Wes Bailey wrote:
> >>> ~> ruby -e 'ARGF.each { |l| puts l.split.reverse.join( " " ) }'
> >>> this is my sentence
> >>> sentence my is this
> >>
> >> Golfing away...
> >>
> >> $ ruby -ane 'puts $F.reverse.join(" ")'
> >> 1 2 3
> >> 3 2 1
> >>
> >> --
> >>       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407
> >>
> >> It doesn't like your code...  I keep on getting errors:
> >
> > irb(main):001:0> puts $F.reverse.join(" ")
> > NoMethodError: undefined method `reverse' for nil:NilClass
> >     from (irb):1
> > irb(main):002:0>
>
>
> Alright, never mind, I got the program to work.  Thank you for your help
guys!

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