From: Reid Thompson <Reid.Thompson@...>
Date: 2006-10-27T21:48:48+09:00
Subject: Re: Ruby Design Principles

Joel VanderWerf wrote:
> Yukihiro Matsumoto wrote:
>> Hi,
>>
>> In message "Re: Ruby Design Principles"
>>     on Fri, 27 Oct 2006 03:50:19 +0900, Bil Kleb <Bil.Kleb@NASA.gov> 
>> writes:
>>
>> |Anyone have the link for the slides?  (The movie has very
>> |high compression.)
>>
>>  http://www.rubyist.net/~matz/slides/byu/
>
> Is it really fair to say that the ruby program
>
>   print *ARGF
>
> is the same as /bin/cat? When used interactively they are different:
>
> $ cat cat.rb
> print *ARGF
> $ ruby cat.rb
> 1
> 2
> 3
> 1
> 2
> 3
> $ cat
> 1
> 1
> 2
> 2
> 3
> 3
> $ ruby -e 'ARGF.each{|line| print line}'
> 1
> 1
> 2
> 2
> 3
> 3
>
> Also, with a lot of input, the memory usage will be very different, 
> since 'print *ARGF' slurps all input.
>
> But even 'ARGF.each{|line| print line}' is a lot shorter than 50 lines 
> of C!
>
:) but how many lines of C are hidden behind that  'ARGF.each{|line| 
print line}'