From: J-H Johansen <ondemannen@...>
Date: 2011-06-29T06:27:48+09:00
Subject: Re: here docs: WTF am i doing wrong???

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On Tue, Jun 28, 2011 at 11:17 PM, serialhex <serialhex@gmail.com> wrote:

> ok, so i'm trying to create a here doc for a little program i'm writing and
> it dosn't seem to want to work right!
>
> this code works:
> ###
> pry(main)> print <<NUMS
> pry(main)*   08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
> pry(main)*   49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00
> pry(main)* NUMS
>  08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
>  49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00
> => nil
> ###
>
> but this:
> ###
> pry(main)> str = ''
> => ""
> pry(main)> str <<NUMS
> pry(main)*   08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
> pry(main)*   49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00
> pry(main)* NUMS
> ###
>
> gives me:
> ###
> SyntaxError: (pry):43: Invalid octal digit
>  08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
>    ^
> (pry):43: syntax error, unexpected tINTEGER, expecting $end
>  08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
>       ^
> from
>
> /home/serialhex/.rvm/gems/ruby-1.9.2-p180/gems/pry-0.9.1/lib/pry/pry_instance.rb:226:in
> `eval'
> ###
>
> so why can i 'print' a here doc, but not set it to a variable???  or am i
> doing something stupid wrong that i dont know what i'm doing with the
> stupid
> and the wrongness??  (sorry, i think i need to catch up on some sleep too)
>
> any help is appreciated
> hex
>
>
Try this:

irb(main):001:0> st = ""
=> ""
irb(main):002:0> st << <<NUMS
irb(main):003:0" 08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
irb(main):004:0" NUMS
=> "08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08\n"
irb(main):005:0>




>
> --
> my blog is cooler than yours: serialhex.github.com <http://goo.gl/7s4yU>
>
> > > Other than the fact Linux has a cool name, could someone explain why I
> > > should use Linux over BSD?
> >
> > No.  That's it.  The cool name, that is.  We worked very hard on
> > creating a name that would appeal to the majority of people, and it
> > certainly paid off: thousands of people are using linux just to be able
> > to say "OS/2? Hah.  I've got Linux.  What a cool name".  386BSD made the
> > mistake of putting a lot of numbers and weird abbreviations into the
> > name, and is scaring away a lot of people just because it sounds too
> > technical.
>        -- Linus Torvalds' follow-up to a question about Linux
>



-- 
Jens-Harald Johansen
--
There are 10 kinds of people in the world: Those who understand binary and
those who don't...

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