From: Andreas Schwarz <usenet@...>
Date: 2003-08-23T04:58:41+09:00
Subject: Re: Line wrapping

Florian Frank wrote:
> On 2003-08-23 03:18:26 +0900, Andreas Schwarz wrote:
>> def wrap(s)
>>   return s.gsub(/.{1,74}(?:\s|\Z)/){($& + 5.chr).
>>     gsub(/\n\005/,"\n").gsub(/\005/,"\n")}
>> end
>> 
>> Any hints how I can change the function so that it doesn't touch lines
>> with quoting characters (">", "|") in the beginning?
> 
> This should do the job:
> 
> def wrap(s)
>   return s.gsub(/^[^>|].{0,74}(?:\s|\Z)/){($& + 5.chr).
>     gsub(/\n\005/,"\n").gsub(/\005/,"\n")}
> end

No, it doesn't, but I've found this solution:

def wrap(s)
  s = s.gsub(/.{0,74}(?:\s|\Z)/){($& + 5.chr).gsub(/\n\005/,"\n")}
  return s.gsub(/((\n|^)[>|\s]*[>|].*?)\005/, "\\1").gsub(/\005/,"\n")
end

Andreas

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