[R] gsub: replacing a.*a if no occurence of b in .*

[Jeffrey Horner]

Charilaos Skiadas wrote:
> On Feb 24, 2007, at 11:37 AM, Gabor Grothendieck wrote:
> 
>> The _question_ assumed that, which is why the answers did too.
> 
> Oh yes, I totally agree, the file snippet the OP provided did indeed  
> assume that, though nothing in the text of his question did, so I  
> wasn't entirely clear whether the actual file that is going to be  
> processed has this form or not. So I just wanted to make sure the OP  
> is aware of this limitation, in case the actual file is more  
> problematic.
> 
> But most importantly, I wanted to suggest a reevaluation, if  
> possible, of the process that generates these XML's, and perhaps  
> fixing that, instead of patching the problem after it has been created.

Also, I wouldn't tolerate R *crashing* in package code on malformed xml 
input.

Jeff
-- 
http://biostat.mc.vanderbilt.edu/JeffreyHorner