Many thanks. I'd misread the doc re fixed, and misunderstood the number of
escapes. Sigh.
JN
On 2018-12-15 10:45 a.m., Bert Gunter wrote:
> ... or used the fixed = TRUE argument.
>
>> z <-"In Alvarez Cabral street by no. 105.\\000"
>
>> sub("\\000","", z, fixed = TRUE)
> [1] "In Alvarez Cabral street by no. 105."
>
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along and
> sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Sat, Dec 15, 2018 at 7:32 AM J C Nash <profjcn...@gmail.com
> <mailto:profjcn...@gmail.com>> wrote:
>
> I am trying to fix up some image files (jpg) that have comments in them.
> Unfortunately, many have had extra special characters encoded.
>
> rdjpgcom, called from an R script, returns a comment e.g.,
>
> "In Alvarez Cabral street by no. 105.\\000"
>
> I want to get rid of "\\000", but sub seems
> to be giving trouble.
>
> > sub("\\000", "", ctxt)
> [1] "In Alvarez Cabral street by no. 105.\\0"
>
> Anyone know how to resolve this?
>
> JN
>
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