[R] Dealing with special characters at end of line in file

[J C Nash]

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 <profjcnash using gmail.com <mailto:profjcnash using 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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