adding a double quote into a regsub in vcl_fetch

[Paul A. Procacci]

Yep,

I see that now.  Didn't realize the parser was that picky.

"

Can you use the above in place of a double quote?

I.E:
  set beresp.http.Link = regsub(req.url, "^/blah.*", "<http://example.com/blah>; rel="canonical" ");



On Tue, Oct 15, 2013 at 06:32:07PM -0400, Stefan Caunter wrote:
> On Tue, Oct 15, 2013 at 5:00 PM, Paul A. Procacci
> <pprocacci at datapipe.com> wrote:
> >>  if (req.url ~ "^/blah") {
> >>                 set beresp.http.Link = regsub(req.url, "^/(blah).*",
> >> "<http://example.com/blah>; rel=\" + "canonical" + " ");
> >>                 return(deliver);
> >>         }
> >>
> >
> > set beresp.http.Link = regsub(req.url, '^/blah.*', '<http://example.com/blah>; rel="canonical" ');
> >
> > This maybe?
>
> i tried single quotes initially, vcl seems to dislike single quoting
> in regsub, and backslash escaping is also ineffective when trying to
> print out a " character
>
> Syntax error at
> ('input' Line 149 Pos 56)
>                 set beresp.http.Link = regsub(req.url, '^/blah.*',
> '<http://example.com/blah>; rel="canonical" ');
> -------------------------------------------------------#-------------------------------------------------------------
>
> Running VCC-compiler failed, exit 1
>
> if i put "^/blah.*", in double quotes, it shifts the error over to
>
> ('input' Line 149 Pos 71)
>                 set beresp.http.Link = regsub(req.url, "^/couples.*",
> '<http://example.com/blah>; rel="canonical" ');
>
> which is where the single quote tries to protect the double quote

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