From: dblack@...
Date: 2003-02-06T22:28:54+09:00
Subject: Re: %, % revisited

Hi --

On Thu, 6 Feb 2003, Dossy wrote:

> On 2003.02.06, Mauricio Fern�ndez <batsman.geo@yahoo.com> wrote:
> > In Ruby <<-EOF means that EOF can be indented.
>
> Ah, so this is where Ruby's here-doc implementation deviates from the
> shell ... okay.
>
> Perl, being Evil, gives you hackery like this:
>
> (my $x = <<EOT) =~ s/^\t*//gm;
>     this is
>     a test
> EOT
>
> Which roughly approximates the <<-word here-doc behavior of the shell,
> which strips leading tabs off lines in the here-doc.
>
> I guess one could apply a similar regexp in Ruby as well ...

But with a chance to show off how cool the non-need for /gm can be :-)

  irb(main):018:0> str = <<EOE.gsub!(/^\t*/,'')
  irb(main):019:0"        abc
  irb(main):020:0"        def
  irb(main):021:0" EOE
  "abc\ndef\n"


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav