Something like this should work:
<exec executable="svn">
<arg line="update > file.txt"/>
</exec>
<loadfile property="file.txt.contents" srcFile="file.txt"/>
<propertyregex property="Revision.Number"
input="${file.txt.contents}"
regexp="Updated to revision (.*)"
replace="\1"/>
This loads the contents of the file into the file.txt.contents property,
then parses the revision number out and sets it in the Revision.Numberproperty.
<loadfile> is an Ant core task, and <propertyregex> is part of ant-contrib.
I haven't tested this, so you may have to play around more with the regular
expression.
-Andrew
On 9/7/05, S I <[EMAIL PROTECTED]> wrote:
>
> I'm now looking at <concat> not sure how to go about it and I do realize
> Ant
> is not a script lanugage however, I'm not sure how to go about my problem
> either except resorting to a scripting language. I will briefly state my
> problem and please tell me if parsing could be achieved via any Ant task?
>
> I have a text file which is generated by running
>
> c:\>svn update > file.txt.
>
> file.txt's last line is "Updated to revision 20779."
>
> I would like to extrapolate only the numbers and pass it back to :
> ${Revision.Number} = 20779
>
> c:\>svn copy -r ${Revision.Number} /trunk /tag/${Revision.Number}
>
> Is there anyway to do this in Ant? Looks like I have to write a perl
> script
> and pass the value back to the Ant script by running <exec>
>
>
> ----Original Message Follows----
> From: James Abley <[EMAIL PROTECTED]>
> Reply-To: "Ant Users List" <[email protected]>
> To: Ant Users List <[email protected]>
> Subject: Re: No Apache Ant Support for Subversion? Oh man :(
> Date: Wed, 07 Sep 2005 07:36:57 +0100
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>
> On Wed, 2005-09-07 at 04:37, S I wrote:
> > Hi
> >
> > I wish there was Ant Core Task support for Subversion. I have downloaded
> > bunch of 3rd party utilities, althought they accomplish the job somewhat
> > clumsily, they'll do for now. Is there going to be support for
> Subversion
> > soon?
> >
> > My 2nd question: I'm modifying my Ant scripts to commit couple of files
> > into SVN and then tag the repository. I don't like the limited options
> of
> > SVN in how it handles tagging. I run my build files from my WinXP and
> > repository's on a Linux server under Apache. Does Ant have any feature
> to
> > allow me to parse a log file and grep for a revision number, then pass
> that
> > rev# to the "svn copy /trunk /tag/rev#" without resorting to Perl or any
> > other scripting language?
> >
>
> Have a look at <concat /> with filterchains, and then load the output
> into your revision property via <loadfile />
>
> James
>
> > Thanks
> >
> >
> >
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