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From <Jan.Mate...@rzf.fin-nrw.de>
Subject AW: apply task trouble for command using < and >
Date Thu, 24 Nov 2005 16:06:50 GMT
I´ve played a little bit ...


        <mapper id="out" type="glob"
                from="*.js"
                to="dest/*.js"/>
        <apply executable="jsmin">
            <fileset dir="src" includes="*.js"/>
            <mapper refid="out"/>
            <redirector>
                <inputmapper type="glob" from="*" to="src/*"/>
                <outputmapper refid="out"/>
            </redirector>
        </apply>


Jan 

>-----Ursprüngliche Nachricht-----
>Von: Jakob Fix [mailto:jakob.fix@gmail.com] 
>Gesendet: Donnerstag, 24. November 2005 15:20
>An: Ant Users List
>Betreff: Re: apply task trouble for command using < and >
>
>Jan,
>
>On 24/11/05, Jan.Materne@rzf.fin-nrw.de 
><Jan.Materne@rzf.fin-nrw.de> wrote:
>> < and > mean redirection of STDIN and STDOUT from/to file.
>> So I would have a look at nested <redirector>s.
>
>I was hoping never being required to use this element in my 
>ant scripts, because they look so fiendishly difficult to use. 
> Now, I've played around with them (after having to upgrade 
>from 1.6.1 to 1.6.5), but I can't get my head around its 
>usage.  Apparently, only one redirector can be specified, but 
>I have really no idea at which point inside the <apply> task, 
>with which attributes, nested elements, etc. 
>No examples are given in the documentation 
>http://ant.apache.org/manual/CoreTypes/redirector.html
>
>I tried to add
>
><redirector>
>  <inputmapper type="identity">
>  <outputmapper type="identity"/>
></redirector>
>
>inside the <apply> container, but am not seeing any light at 
>the end of the tunnel.  Please help! :-)
>
>> Jan
>
>
>--
>cheers,
>Jakob.
>
>
>> >-----Ursprüngliche Nachricht-----
>> >Von: Jakob Fix [mailto:jakob.fix@gmail.com]
>> >Gesendet: Donnerstag, 24. November 2005 13:53
>> >An: Ant Users List
>> >Betreff: apply task trouble for command using < and >
>> >
>> >Hello,
>> >
>> >I have the following command line (see [1] for jsmin):
>> >
>> >  jsmin < bigfile.js > smallfile.js "prefix file with this comment"
>> >
>> >To do this for an entire directory I created this task:
>> >
>> ><target name="jsmin">
>> >  <apply executable="jsmin.exe" failonerror="true" 
>dest="${dir.out}">
>> >    <arg value=" &lt; "/>
>> >    <srcfile/>
>> >    <arg value=" &gt; "/>
>> >    <targetfile/>
>> >    <arg value="${comment}"/>
>> >    <fileset dir="${dir.in}" includes="*.js"/>
>> >    <mapper type="identity"/>
>> >  </apply>
>> ></target>
>> >
>> >This runs, but the result is not at all satisfactory:
>> >- No output is produced,
>> >- Only four lines are written to standard output as javascript 
>> >comments (as jsmin would do with everything after the outfile 
>> >argument).
>> >
>> >My suspicion is that the problem may be caused by the "<" and ">"
>> >characters in the command line.  Could it be that they are ignored?
>> >
>> >Thanks for any idea to get this resolved.
>> >
>> >
>> >The -v output of this is:
>> >
>> >jsmin:
>> >    [apply] Current OS is Windows XP
>> >    [apply] DyApplication.js added as DyApplication.js 
>doesn't exist.
>> >    [apply] Executing
>> >'D:\Projects\dy\tests\JSMinAnt\jsmin.exe' with arguments:
>> >    [apply] ' < '
>> >    [apply] 'D:\Projects\dy\tests\JSMinAnt\in\DyApplication.js'
>> >    [apply] ' > '
>> >    [apply] 'D:\Projects\dy\tests\JSMinAnt\out\DyApplication.js'
>> >    [apply] 'prefix file with this comment'
>> >    [apply]
>> >    [apply] The ' characters around the executable and arguments are
>> >    [apply] not part of the command.
>> >    [apply] //  <
>> >    [apply] // D:\Projects\dy\tests\JSMinAnt\in\DyApplication.js
>> >    [apply] //  >
>> >    [apply] // D:\Projects\dy\tests\JSMinAnt\out\DyApplication.js
>> >    [apply] // prefix file with this comment
>> >
>> >    [apply] Applied D:\Projects\dy\tests\JSMinAnt\jsmin.exe to
>> >1 file and 0 directories.
>> >
>> >
>> >--
>> >cheers,
>> >Jakob.
>> >
>> >[1] http://www.crockford.com/javascript/jsmin.html
>
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