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From "Magesh Umasankar" <umag...@apache.org>
Subject Re: <property file=... problem
Date Tue, 19 Feb 2002 18:28:56 GMT
From: "Lev Zak" <lev.zak@schema.com>


> I use ANT 1.4.1 on Windows 2000.
> I need to compare two properties (build number) that I take from a two
> different build.properties file.
> I have two installation in the different directory (d:/app1 and d:/app2)
and
> I would like to compare if this is the same build. For this I have a sign
of
> build number into the build.properties file under buildNumber key (e.g.
> buildNumber=200202031611).
> The part of build.xml target is a following:
>
> <target name="compare_build_number">
>     <property name="build.prop.1" value="d:/app1/build.properties"/>
>     <property name="build.prop.2" value="d:/app2/build.properties"/>
>     <property file="${build.prop.1}"/>
>     <property name="app1_ver" value="${buildNumber}"/>
>     <property file="${build.prop.2}"/>
>     <condition property="it_is_the_same_build">
>         <equals arg1="${app1_ver"}" arg2="${buildNumber}"/>
>     </condition>
> . . .
>
> I expected two defined values, app1_ver is a buildNumber of first
> application (d:/app1/build.properties) and buildNumber is a buildNumber of
> second application (d:/app2/build.properties), before a <condition> task
and
> I could to compare this values. But it is not happened.  The second
> "<property file=" does not work. I tried to separate this target to two
> different targets which use "<property file=" each one. It was not helped.
I
> tried to use "<property resource=" instead of "<property file=". It was
not
> helped.
> What is wrong in my build.xml?
> What I missed?
> And what is the difference between <property resource=" and "<property
> file=" ?

Here is a workaround for your situation:

    <property name="build.prop.1" value="d:/temp/app1/build.properties"/>
    <property name="build.prop.2" value="d:/temp/app2/build.properties"/>
    <replace file="${build.prop.1}" value="buildNumber.1">
      <replacefilter token="buildNumber"/>
    </replace>
    <property file="${build.prop.1}"/>
    <property file="${build.prop.2}"/>
    <condition property="it_is_the_same_build">
        <equals arg1="${buildNumber.1}" arg2="${buildNumber}"/>
    </condition>
    <replace file="${build.prop.1}" value="buildNumber">
      <replacefilter token="buildNumber.1"/>
    </replace>

> Lev.
>

Cheers,
Magesh

******************************************************
*  Experience: The name men give to their mistakes.  *
******************************************************



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