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Subject: RE: replaceregexp help
From: peter reilly <peter.reilly@corvil.com>
To: Ant Users List <user@ant.apache.org>
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No, the single quotes are treated as normal characters.

Peter

On Thu, 2003-06-26 at 17:35, Faist, Jeff wrote:
> Can you use single quotes ' ' so it does not get processed like in Korn
> shell scripts?
> 
> JEff 
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- 
> Jeffrey W. Faist 
> Configuration Management Analyst 
> Encoda Systems, Inc. 
> 1999 Broadway, Suite 4000 
> Denver, Colorado 80202-3050 USA 
> jeff.faist@encodasystems.com 
> Direct Phone Line: +1 (303) 390 8496 
> Fax Line: +1 (303) 390 8425 
> 
> 
> -----Original Message-----
> From: peter reilly [mailto:peter.reilly@corvil.com]
> Sent: Thursday, June 26, 2003 2:10 AM
> To: Ant Users List
> Subject: RE: replaceregexp help
> 
> 
> The problem is the \'s as there are special characters in
> the replace string (\1 \2  ... etc) and they need to
> be escaped many times.
> one can do:
>     <delete quiet="yes" file="change.properties"/>
>     <copy file="input.properties" tofile="change.properties"/>
>     <replaceregexp
>         file="change.properties"
>         match=".:[\\]+blah"
>         replace="d:\\\\\\\\\localblah"
>         byline="true"
>         flags="i"/>
> 
> but the following may be better:
>     <replaceregexp
>         file="change.properties"
>         match="(.:)([\\]+)blah"
>         replace="d:\2localblah"
>         byline="true"
>         flags="i"/>
> 
> peter.
> 
> On Thu, 2003-06-26 at 00:39, Michael Finger wrote:
> > David,
> > Thanks for the response, glad to know it's just not my rusty regexp
> skills....
> > It turns out using match".:(\\*)blah" works, 
> > I was trying it before I put in the 'i' flag...
> > I'm still having problems with the replace c:\\\\ though, but there are
> some bugs and patches in ant bugzilla, so I'll try those. 
> > What wierd is I got replace c:\\\\blah to go to --> c:\blah on the write, 
> > but when I use a property, match="${prop} where prop=c:\\\\\\\\blah
> > I just get c:blah.....
> > In the first case I figure ant is preprocessing and then the regexp is
> getting processed....
> > In the case with properties, who knows.....
> >  
> > Mike
> >  
> > 
> > 	-----Original Message----- 
> > 	From: Harkness, David [mailto:DHarkness@sonypictures.com] 
> > 	Sent: Wed 6/25/2003 4:03 PM 
> > 	To: Ant Users List 
> > 	Cc: 
> > 	Subject: RE: replaceregexp help
> > 	
> > 	
> > 
> > 	Assuming the replaceregexp task uses mostly regular expressions (I
> > 	haven't used it, but I'm fairly fluent with regexps), what's
> happening
> > 	is that \ is escaping the next character (so if you wanted to match
> a
> > 	real asterisk, you'd do "\*"). Try these:
> > 	
> > 	  Match=".:\\\\?blah"
> > 	
> > 	Each \\ becomes a single literal \ and ? means zero or one of the
> > 	previous character/group. So that matches \ and \\ but not \\\.
> > 	
> > 	What's odd is that ".:(\\*)blah" should have matched c:\blah and
> > 	c:\\blah (and c:\\\\\\blah). It's possible that the regexps that
> task is
> > 	using doesn't have grouping with ()s. In any case, grouping isn't
> needed
> > 	here as you're modifying a single character (\\ becomes a single \).
> > 	
> > 	Now for replacing, you need the same escaping:
> > 	
> > 	  replace="d:\\\\localblah"
> > 	
> > 	Again, it's odd that you're getting "d:localblah" as you should have
> > 	gotten "d:\localblah". It's as if the escape substitution is
> happening
> > 	twice
> > 	
> > 	  "d:\\localblah" --> "d:\localblah" --> "d:localblah"
> > 	
> > 	as "\l" will be substituted with "l". If the above doesn't work, see
> if
> > 	it is doing substitution twice by double all of the "\"s. :) That
> would
> > 	be odd, however.
> > 	
> > 	Good luck!
> > 	Dave
> > 	
> > 	David Harkness
> > 	Sony Pictures Digital Networks
> > 	
> > 	-----Original Message-----
> > 	From: Michael Finger [mailto:mfinger@SVTECHNOLOGY.com]
> > 	Sent: Wednesday, June 25, 2003 3:44 PM
> > 	To: Ant Users List
> > 	Subject: replaceregexp help
> > 	
> > 	
> > 	Hello,
> > 	
> > 	I'm struggling a bit with the replaceregexp task. I have a property
> file
> > 	and
> > 	
> > 	want to replace "c:\\blah" in the line
> > 	"myproperty=c:\\blah\\yadaa\\yack" with
> > 	
> > 	"d:\\localblah" ...
> > 	
> > 	Here's what i'm doing:
> > 	
> > 	<replaceregexp
> file="${veritySearchDir}/config/verityindexer.properties"
> > 	
> > 	match=".:..blah"
> > 	
> > 	replace="d:\\localblah"
> > 	
> > 	byline="true"
> > 	
> > 	flags="i"/>
> > 	
> > 	
> > 	
> > 	but I'm getting:
> > 	
> > 	myproperty=d:localblah\\yadaa\\yack  in the file...
> > 	
> > 	and I want myproperty=d:\localblah\\yadaa\\yack  in the file...
> > 	
> > 	I've also tried using @#x5c;...
> > 	
> > 	Also, on the match part it would be nice to match c:\\blah and
> c:\blah.
> > 	I've tried match= ".:(\\*)blah" but it doesn't seem to work.
> > 	
> > 	I'm using ant 1.53 and jdk 1.4.1_02
> > 	
> > 	
> > 	
> > 	Thanks
> > 	
> > 	Mike
> > 	
> > 	
> >
> ---------------------------------------------------------------------
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> > 
> > 
> > ______________________________________________________________________
> > 
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