Set a property based on a regular expression (without ant-contrib)

[iperdomo]

Hi all,

I'm new to ant and I'm facing the following problem:

I want to know the current ant version, e.g. 1.7.0, I
know that there are built-in properties, but in some
linux distros -like gentoo- the {$ant.version}
property result is:

Apache Ant version 1.7.0 compiled on April 8 2008

and I just want only the "1.7.0" part. Is There a way
to set a value of a property based on the match of a
regular expression, similar to propertyregexp of
ant-contrib? I want to do it with ant's core, not
external libraries.

I hope that someone can give some advice.

Best Regards,

--
Iván Perdomo





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[David Weintraub]

This might exactly what you're looking for: Check the <condition>
task. It has the ability to examine the Ant version, so you can verify
that you're running the correct Ant version.

If not, take a look at the AntContrib task <propertyregex>.
<http://ant-contrib.sourceforge.net/tasks/tasks/index.html>

That will let you filter out the version ID from the property string.

On Fri, Apr 25, 2008 at 11:50 AM, Iván Perdomo <ia_perdomo@...> wrote:

> Hi all,
>
>  I'm new to ant and I'm facing the following problem:
>
>  I want to know the current ant version, e.g. 1.7.0, I
>  know that there are built-in properties, but in some
>  linux distros -like gentoo- the {$ant.version}
>  property result is:
>
>  Apache Ant version 1.7.0 compiled on April 8 2008
>
>  and I just want only the "1.7.0" part. Is There a way
>  to set a value of a property based on the match of a
>  regular expression, similar to propertyregexp of
>  ant-contrib? I want to do it with ant's core, not
>  external libraries.
>
>  I hope that someone can give some advice.
>
>  Best Regards,
>
>  --
>  Iván Perdomo
>
>
>
>
>
>
>       ____________________________________________________________________________________
>  Be a better friend, newshound, and
>  know-it-all with Yahoo! Mobile.  Try it now.  http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
>
>  ---------------------------------------------------------------------
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>

--
--
David Weintraub
qazwart@...

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[Jan.Materne]

Stefan blogged about that ...
http://stefan.samaflost.de/blog/en/Apache/Ant/how_to_detect_170.html
http://stefan.samaflost.de/blog/en/Apache/Ant/how_to_detect_163.html
http://stefan.samaflost.de/blog/2004/10/07#how_to_detect_162


Jan
 

> -----Ursprüngliche Nachricht-----
> Von: David Weintraub [mailto:qazwart@...]
> Gesendet: Freitag, 25. April 2008 22:39
> An: Ant Users List
> Betreff: Re: Set a property based on a regular expression
> (without ant-contrib)
>
> This might exactly what you're looking for: Check the <condition>
> task. It has the ability to examine the Ant version, so you can verify
> that you're running the correct Ant version.
>
> If not, take a look at the AntContrib task <propertyregex>.
> <http://ant-contrib.sourceforge.net/tasks/tasks/index.html>
>
> That will let you filter out the version ID from the property string.
>
> On Fri, Apr 25, 2008 at 11:50 AM, Iván Perdomo
> <ia_perdomo@...> wrote:
> > Hi all,
> >
> >  I'm new to ant and I'm facing the following problem:
> >
> >  I want to know the current ant version, e.g. 1.7.0, I
> >  know that there are built-in properties, but in some
> >  linux distros -like gentoo- the {$ant.version}
> >  property result is:
> >
> >  Apache Ant version 1.7.0 compiled on April 8 2008
> >
> >  and I just want only the "1.7.0" part. Is There a way
> >  to set a value of a property based on the match of a
> >  regular expression, similar to propertyregexp of
> >  ant-contrib? I want to do it with ant's core, not
> >  external libraries.
> >
> >  I hope that someone can give some advice.
> >
> >  Best Regards,
> >
> >  --
> >  Iván Perdomo
> >
> >
> >
> >
> >
> >
> >      
> ______________________________________________________________
> ______________________
> >  Be a better friend, newshound, and
> >  know-it-all with Yahoo! Mobile.  Try it now.  
> http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
> >
> >  
> ---------------------------------------------------------------------
> >  To unsubscribe, e-mail: user-unsubscribe@...
> >  For additional commands, e-mail: user-help@...
> >
> >
>
>
>
> --
> --
> David Weintraub
> qazwart@...
>
> ---------------------------------------------------------------------
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> For additional commands, e-mail: user-help@...
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>

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[iperdomo]

Hi Jan,

Thanks for your reply, but is not what I want. I want
to extract the number part of the $ant.version
property. e.g.

Apache Ant version 1.7.0 compiled on April 8 2008

I just want the "1.7.0" part ant store it in another
property. Is possible with ant-contrib [1] but I don't
want to use third-party libraries.

Thanks,

[1]
http://ant-contrib.sourceforge.net/tasks/tasks/propertyregex.html

--
Iván Perdomo


--- Jan.Materne@... wrote:

> Stefan blogged about that ...
>
http://stefan.samaflost.de/blog/en/Apache/Ant/how_to_detect_170.html
>
http://stefan.samaflost.de/blog/en/Apache/Ant/how_to_detect_163.html
>
http://stefan.samaflost.de/blog/2004/10/07#how_to_detect_162

>
>
> Jan
>  
>
> > -----Ursprüngliche Nachricht-----
> > Von: David Weintraub [mailto:qazwart@...]
> > Gesendet: Freitag, 25. April 2008 22:39
> > An: Ant Users List
> > Betreff: Re: Set a property based on a regular
> expression
> > (without ant-contrib)
> >
> > This might exactly what you're looking for: Check
> the <condition>
> > task. It has the ability to examine the Ant
> version, so you can verify
> > that you're running the correct Ant version.
> >
> > If not, take a look at the AntContrib task
> <propertyregex>.
> >
>

<http://ant-contrib.sourceforge.net/tasks/tasks/index.html>

> >
> > That will let you filter out the version ID from
> the property string.
> >
> > On Fri, Apr 25, 2008 at 11:50 AM, Iván Perdomo
> > <ia_perdomo@...> wrote:
> > > Hi all,
> > >
> > >  I'm new to ant and I'm facing the following
> problem:
> > >
> > >  I want to know the current ant version, e.g.
> 1.7.0, I
> > >  know that there are built-in properties, but in
> some
> > >  linux distros -like gentoo- the {$ant.version}
> > >  property result is:
> > >
> > >  Apache Ant version 1.7.0 compiled on April 8
> 2008
> > >
> > >  and I just want only the "1.7.0" part. Is There
> a way
> > >  to set a value of a property based on the match
> of a
> > >  regular expression, similar to propertyregexp
> of
> > >  ant-contrib? I want to do it with ant's core,
> not
> > >  external libraries.
> > >
> > >  I hope that someone can give some advice.
> > >
> > >  Best Regards,
> > >
> > >  --
> > >  Iván Perdomo
> > >
> > >
> > >
> > >
> > >
> > >
> > >      
> >
>

______________________________________________________________
> > ______________________
> > >  Be a better friend, newshound, and
> > >  know-it-all with Yahoo! Mobile.  Try it now.  
> >
>
http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
> > >
> > >  
> >
>
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> > >  To unsubscribe, e-mail:
> user-unsubscribe@...
> > >  For additional commands, e-mail:
> user-help@...
> > >
> > >
> >
> >
> >
> > --
> > --
> > David Weintraub
> > qazwart@...
> >
> >
>

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[Jan.Materne]

Then use Stefans <available>s in a <condition>

<condition property="version" value="1.7.0"><available-17>
<condition property="version" value="1.6.3"><available-163>
...

Since Ant 1.7.1 you could use <antversion>
<project>
  <antversion property="v"/>
  <echo>Version: ${v}</echo>
</project>

So maybe you want to use that task and port that to your environment.


Jan

> -----Ursprüngliche Nachricht-----
> Von: Iván" Perdomo [mailto:ia_perdomo@...]
> Gesendet: Montag, 28. April 2008 13:30
> An: Ant Users List
> Betreff: Re: AW: Set a property based on a regular expression
> (without ant-contrib)
>
> Hi Jan,
>
> Thanks for your reply, but is not what I want. I want
> to extract the number part of the $ant.version
> property. e.g.
>
> Apache Ant version 1.7.0 compiled on April 8 2008
>
> I just want the "1.7.0" part ant store it in another
> property. Is possible with ant-contrib [1] but I don't
> want to use third-party libraries.
>
> Thanks,
>
> [1]
> http://ant-contrib.sourceforge.net/tasks/tasks/propertyregex.html
>
> --
> Iván Perdomo
>
>
> --- Jan.Materne@... wrote:
>
> > Stefan blogged about that ...
> >
> http://stefan.samaflost.de/blog/en/Apache/Ant/how_to_detect_170.html
> >
> http://stefan.samaflost.de/blog/en/Apache/Ant/how_to_detect_163.html
> >
> http://stefan.samaflost.de/blog/2004/10/07#how_to_detect_162
> >
> >
> > Jan
> >  
> >
> > > -----Ursprüngliche Nachricht-----
> > > Von: David Weintraub [mailto:qazwart@...]
> > > Gesendet: Freitag, 25. April 2008 22:39
> > > An: Ant Users List
> > > Betreff: Re: Set a property based on a regular
> > expression
> > > (without ant-contrib)
> > >
> > > This might exactly what you're looking for: Check
> > the <condition>
> > > task. It has the ability to examine the Ant
> > version, so you can verify
> > > that you're running the correct Ant version.
> > >
> > > If not, take a look at the AntContrib task
> > <propertyregex>.
> > >
> >
> <http://ant-contrib.sourceforge.net/tasks/tasks/index.html>
> > >
> > > That will let you filter out the version ID from
> > the property string.
> > >
> > > On Fri, Apr 25, 2008 at 11:50 AM, Iván Perdomo
> > > <ia_perdomo@...> wrote:
> > > > Hi all,
> > > >
> > > >  I'm new to ant and I'm facing the following
> > problem:
> > > >
> > > >  I want to know the current ant version, e.g.
> > 1.7.0, I
> > > >  know that there are built-in properties, but in
> > some
> > > >  linux distros -like gentoo- the {$ant.version}
> > > >  property result is:
> > > >
> > > >  Apache Ant version 1.7.0 compiled on April 8
> > 2008
> > > >
> > > >  and I just want only the "1.7.0" part. Is There
> > a way
> > > >  to set a value of a property based on the match
> > of a
> > > >  regular expression, similar to propertyregexp
> > of
> > > >  ant-contrib? I want to do it with ant's core,
> > not
> > > >  external libraries.
> > > >
> > > >  I hope that someone can give some advice.
> > > >
> > > >  Best Regards,
> > > >
> > > >  --
> > > >  Iván Perdomo
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >      
> > >
> >
> ______________________________________________________________
> > > ______________________
> > > >  Be a better friend, newshound, and
> > > >  know-it-all with Yahoo! Mobile.  Try it now.  
> > >
> >
> http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
> > > >
> > > >  
> > >
> >
> ---------------------------------------------------------------------
> > > >  To unsubscribe, e-mail:
> > user-unsubscribe@...
> > > >  For additional commands, e-mail:
> > user-help@...
> > > >
> > > >
> > >
> > >
> > >
> > > --
> > > --
> > > David Weintraub
> > > qazwart@...
> > >
> > >
> >
> ---------------------------------------------------------------------
> > > To unsubscribe, e-mail:
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> > > For additional commands, e-mail:
> > user-help@...
> > >
> > >
> >
> >
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> > user-help@...
> >
> >
>
>
>
>      
> ______________________________________________________________
> ______________________
> Be a better friend, newshound, and
> know-it-all with Yahoo! Mobile.  Try it now.  
> http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
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