On 02/08/2016 06:55 PM, Edinson E. Padrón Urdaneta wrote:
> Hi, David. Maybe this can be of help ~> {
> http://www.groovy-lang.org/single-page-documentation.html } The Dollar
> slashy string could be what you are looking for. Cheers.
Just so it's clear, this doesn't deal with "\uabcd". With one
backslash, it fails with a compile error. With two backslashes, it
produces two backslashes. From what I now understand, the only thing
that works if you have "\u" in the string is a GString (double quotes).
>
> On Mon, Feb 8, 2016 at 9:38 PM, David M. Karr
> <davidmichaelkarr@gmail.com <mailto:davidmichaelkarr@gmail.com>> wrote:
>
> On 02/08/2016 05:40 PM, Paul King wrote:
>
> Unicode processing is done before anything else. For your
> case, you
> need to make it not look like a unicode sequence - which you
> rightly
> did with the double backslash variant. But you then need to
> pick the
> GString form that does the appropriate thing with the sequence of
> characters that passed through the initial parsing stages. So the
> trick is to use a normal GString not a slashy string:
>
> def var = "c:\\uabc.txt"
>
>
> I can see it can get complicated to select the correct form,
> depending on problematic characters in the string. Is there
> anything like the Perl "qw()" function, which I believe augments a
> string with any required quoting to retain all the original
> characters?
>
>
> Cheers, Paul.
>
> On Tue, Feb 9, 2016 at 8:17 AM, David M. Karr
> <davidmichaelkarr@gmail.com
> <mailto:davidmichaelkarr@gmail.com>> wrote:
>
> Someone was trying to point out difficulties with various
> string values in
> slashy strings. I was able to refute most of his
> arguments, but he pointed
> out a curious issue involving unicode sequences.
>
> If you have the following:
> --------------
> def var = /c:\uabc.txt/
> ---------------
>
> This will fail to compile, as "\uabc." is not a valid
> unicode sequence.
>
> So, the obvious thing to try is this:
> ------------------
> def var = /c:\\uabc.txt/
> ------------------
>
> That would fix it, right? Well, sort of. It doesn't get
> a compile error.
> I expected it to produce "c:\uabc.txt", but instead it
> produced
> "c:\\uabc.txt".
>
> What are relatively simple workarounds for this?
>
>
>
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