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From: =?iso-8859-1?Q?Josep_del_R=EDo?= <josep.rio@uworks.net>
To: "'Ant Users List'" <user@ant.apache.org>
Subject: RE: Remove blank lines
Date: Thu, 19 Feb 2004 00:28:48 +0100
Organization: uWorks
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I think that the following should do the trick:

  	    <replaceregexp flags=3D"g" byline=3D"false">
  	        <regexp pattern=3D"\r\n[\s]*\r\n[\s]*\r\n"/>
  	          <substitution expression=3D"&#13;&#10;&#13;&#10;"/>
  	          <fileset dir=3D"${dist}">
  		        <filename name=3D"**/*.php"/>
  	          </fileset>
  	    </replaceregexp>

Where "\r\n[\s]*\r\n[\s]*\r\n" means 2 blank lines and
"&#13;&#10;&#13;&#10;" means 1 blank line, so the maximum of blank lines
will be 1.



-----Original Message-----
From: J=FCrgen Hauser [mailto:hauser@pandora.be]=20
Sent: mi=E9rcoles, 18 de febrero de 2004 20:35
To: user@ant.apache.org
Subject: Remove blank lines

Hi,

I'm having troubles finding out how to actually remove blank lines.

I have a regular expression which will match all blank lines, but since
it=20
needs to be replaced with something, you get the problem ;)

  	    <replaceregexp flags=3D"g" byline=3D"true">
  	        <regexp pattern=3D"^[\s]*$"/>
  	          <substitution expression=3D""/>
  	          <fileset dir=3D"${dist}">
  		        <filename name=3D"**/*.php"/>
  	          </fileset>
  	    </replaceregexp>=09

To be honest, what i would really like to achieve is to have it remove=20
blank lines only if there are two or more blanklines in a row, so it
still=20
leaves one blank line.

ie.

1. $foo =3D 'bar';
2. blank line
3. blank line
4. $user =3D& new User();
5. blank line
6. $user->doSomething();

would result in

1. $foo =3D 'bar';
2. blank line
3. $user =3D& new User();
4. blank line
5. $user->doSomething();

Thanks a lot in advance!

Regards,
J=FCrgen



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