From: Robert Klemme <bob.news@...>
Date: 2004-03-11T21:24:42+09:00
Subject: Re: Novice question, tranlate awk code to ruby code


"Chad Fowler" <chad@chadfowler.com> schrieb im Newsbeitrag
news:66E60584-72F3-11D8-B5D4-000A95BDA42A@chadfowler.com...
>
> On Mar 10, 2004, at 4:19 PM, Horacio Castellini wrote:
>
> > Hi everyone:
> >     I'm a novice ruby user, but ancient user in Linux world. We assume
> > have a data file with two data field in two columns. In awk program
> > when I
> > like time them a script code may be:
> >
> > {
> >     print $1*$2
> > }
> >
> > for example I can use "% cat foo.dat|awk -f times.awk" d'accorde.
Well,
> > how can I do this in ruby code?
> >
>
> Hi.  Here's a very awk-like way to do it:
>
> cat foo.dat |ruby -ane 'puts $F[0].to_i * $F[1].to_i'

This entitles you to a useless cat award.  Just do

ruby -ane 'puts $F[0].to_i * $F[1].to_i' foo.dat

Or

ruby -ane 'puts Integer($F[0]) * Integer($F[1])' foo.dat

    robert