[luatex] Line breaks

[Khaled Hosny]

On Sat, Feb 19, 2011 at 06:11:58PM +0200, Dirk Laurie wrote:
> On Sat, Feb 19, 2011 at 05:15:58PM +0200, Wolfgang Schuster wrote:
> > 
> > Use \detokenize, e.g.
> > 
> > \directlua{\detokenize{text = [[
> > This is a paragraph
> > with some lines.
> > 
> > This is another paragraph,
> > separated from the first
> > by a blank line. ]]}
> > tex.print(text)}
> > 
> Yes, this works.  Unfortunately, 
> 
> \directlua{\detokenize{ dofile "ex2.lua" }}
> 
> when ex2.lua contains
> 
> text = [[
> > This is a paragraph
> > with some lines.
> > 
> > This is another paragraph,
> > separated from the first
> > by a blank line. ]]}

Something like that would do the trick (basically detecting empty lines
on your own):

for line in text:gmatch("(.-)\r?\n") do
    local p = #line and tex.print or tex.sprint
    p(line)
end

It will ignore your last line, though, because it is not line feed
delimited.

Regards,
 Khaled

-- 
 Khaled Hosny
 Egyptian