[mkgmap-dev] subst function and literal dots in regular expressions

Sun May 25 11:58:13 BST 2014

Many thanks Steve, it's working now. The problem was the operator
needing to be ~> instead of =>. 

The space after the dot in the pattern was intentional - in my example
of "A.B. Street" I did it in two steps, firstly to "A.B Street" and
secondly from there to "A B Street". I was doing that because I wanted
to avoid double spaces, but now I know that is taken care of later,
things are a simpler. 

Colin 

On 2014-05-25 12:49, Steve Ratcliffe wrote: 

> On 25/05/14 11:14, Colin Smale wrote:
> 
>> I am trying to normalise street names by removing any dots. So far I have been unable to get the subst function to do what I want. The problem seems to be getting the dot to be taken literally in the subst parameters. I have tried: a) set newname='${name|subst:. +=> }'
> 
> Originally subst was a straight forward string replacement. So
> 
> ${name|subst:.=> }
> 
> would replace each dot with a space. Also because multiple spaces are
> combined into one elsewhere this actually has the effect you want in
> this case.
> 
> Regular expressions were added later and you need to use ~> instead
> of => to indicate this. So this will work:
> 
> ${name|subst:.+~> }
> 
> It may just be an email formating issue, but in your email there is a
> space after the '.'; make sure that there isn't one in your style
> file.
> 
> ..Steve
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> mkgmap-dev at lists.mkgmap.org.uk
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