> From: peter reilly [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, November 12, 2003 2:56 AM
> To: Ant Users List
> Subject: Re: Remove a specific line from a file.
>
> On Wednesday 12 November 2003 07:22, Stefan Bodewig wrote:
> > On Tue, 11 Nov 2003, Robert Priest <[EMAIL PROTECTED]> wrote:
> > > Can anyone tell me how to remove a specific line from a text file
> > > using ant.
> >
> > <replaceregexp> would probably work - simply replace the line your
> > don't want to see with nothing.
> >
> > Ant 1.6beta with a <linecontainsregexp> filterreader in <copy> would
> > work as well - you'd jave to craft a regexp that matched all your
> > lines except for the one you don't want to see in your file.
>
> Ant 1.6beta also has a <scriptfilter> which allows you to write
> a filter as follows:
> <concat>
> This is a line
> this is a bad line
> This is a good line
> <filterchain>
> <scriptfilter language="beanshell">
> if (self.getToken().indexOf("good") == -1) {
> self.setToken(null);
> }
> </scriptfilter>
> </filterchain>
> </concat>
>
> With java 1.4 one may use a regex:
>
> <scriptfilter language="beanshell">
> if (!self.getToken().matches(".*This.*good.*line.*")) {
> self.setToken(null);
> }
> </scriptfilter>
I've been using myself a homegrown <sed> task. Here's an example:
<bm:sedEditorGroup id="pmodel - fix flex/bison">
<delete pattern="^# *line" />
<delete pattern="^# *[0-9]" />
<replace pattern="yy" with="yy_pmodel_gram_" />
<replace pattern="__EXTERN_C__" with="__cplusplus" />
</bm:sedEditorGroup>
<bm:sed from="pmodel/pmodel_gram_tab.c"
to="pmodel/pmodel_gram.y.cpp">
<editorGroup refid="pmodel - fix flex/bison" />
</bm:sed>
<bm:sed from="pmodel/pmodel_gram_tab.h"
to="pmodel/pmodel_gram.y.h">
<editorGroup refid="pmodel - fix flex/bison" />
</bm:sed>
I find this more straightforward. --DD
PS: For info, here's the full context of its use:
<ac:outofdate>
<sourcefiles>
<pathelement location="script/cgram.y" />
</sourcefiles>
<targetfiles>
<pathelement location="script/cgram.y.cpp" />
<pathelement location="script/cgram.y.h" />
</targetfiles>
<sequential>
<echo>Bisoning script/cgram.y...</echo>
<exec executable="${bison}" failonerror="true">
<arg value="-vd" />
<arg value="-o" />
<arg file="script/cgram_tab.c" />
<arg file="script/cgram.y" />
<env key="BISON_SIMPLE" value="${tools.dir}/bin/bison.simple" />
</exec>
<bm:sed from="script/cgram_tab.c" to="script/cgram.y.cpp">
<editorGroup refid="script - fix flex/bison" />
</bm:sed>
<bm:sed from="script/cgram_tab.h" to="script/cgram.y.h">
<editorGroup refid="script - fix flex/bison" />
</bm:sed>
<delete file="script/cgram.out" />
<delete file="script/cgram.output" />
<delete file="script/cgram_tab.c" />
<delete file="script/cgram_tab.h" />
</sequential>
</ac:outofdate>
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