From: Robert Klemme <bob.news@...>
Date: 2004-03-17T22:14:46+09:00
Subject: Re: why use heredoc in doublequotes?


"Simon Strandgaard" <neoneye@adslhome.dk> schrieb im Newsbeitrag
news:pan.2004.03.17.12.05.50.515961@adslhome.dk...
> On Wed, 17 Mar 2004 09:12:23 +0100, Robert Klemme wrote:
>
> >
> > "Simon Strandgaard" <neoneye@adslhome.dk> schrieb im Newsbeitrag
> > news:pan.2004.03.16.19.37.24.107822@adslhome.dk...
> >> When you can do like this:
> >>
> >> server> ruby a.rb
> >> "im some text\n"
> >> server> cat a.rb
> >> str = <<TEXT.squeeze("o")
> >> im soooome text
> >> TEXT
> >> p str
> >> server>
> >>
> >>
> >> What is the rationale for doing <<"TEXT"  ?
> >>
> >> Have I misunderstood it?
> >
> > IMHO "<<TEXT" is equivalent to <<TEXT with the only difference that
you
> > can use white space in the delimiter (see example d):
> [snip]
> > irb(main):024:0> d=<<"HERE AM I"
> > irb(main):025:0" 5+2=#{5+2}
> > irb(main):026:0" HERE AM I
> > => "5+2=7\n"
> >
>
> Space the final frontier...

:-))

> Thanks Robert for clearing that out  ;-)

You're welcome.

> However I see doublequoted heredocs everywhere.. I don't think
> there is a common understanding of what it does (yet).

IMHO "#{" and "#$" are rare enough that it doesn't hurt to use <<HERE - at
least you save two chars of typing over <<'HERE'. :-)

    robert