BTW if you want to work the changed file (e.g. copy it...) the have a look at the modified selector [1].
Jan [1] http://ant.apache.org/manual/CoreTypes/selectors.html#modified > -----Original Message----- > From: Mani G. Iyer [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 02, 2004 4:38 AM > To: 'Ant Users List' > Subject: RE: CheckSum Task and Properties? > > > > Yanrong: > > The problem is that the <istrue> condition expects the value of the > property not the property itself. So you will have to code something > like: > <istrue value ="${${f}.changed}"/> but unfortunately this is not > allowed in Ant, althought you can use the <propertycopy> from > Ant-contrib to accomplish what you want. My question to you is why do > you need to have properties as ${f}.verified or ${f}.changed when > something like file.verified or file.changed would do. So you could > code something like: > > <target name="SeeIfXChanged" > > <checksum file="${f}" verifyProperty="file.changed"/> > <condition property="file.verified"> > <istrue value="${file.changed}"/> > </condition> > <echo>Verification 02</echo> > </target> > <target name="ErrorMessageIfXChanged" depends="SeeIfXChanged" > if="file.verified"> > <echo>Verification Succeeded</echo> > </target> > > HTH. > Mani G. Iyer > > -----Original Message----- > From: Yanrong Deng [mailto:[EMAIL PROTECTED] > Sent: Tuesday, June 01, 2004 9:01 PM > To: [EMAIL PROTECTED] > Subject: CheckSum Task and Properties? > > Mr. Mani G. Iyer helped Ms. Deng when we were using > properties with > the checksum command to see if a value changed. That is > working for > us. Thanks! > > However, I want to do the same thing where the file name is passed > to one ant file using the "ant" task. We are experiencing > the same dificulty. > > The file ctM.xml invokes the ErrorMessageIfXChanged task of > ctdemo.xml > However, the file name is passed as the property "f". > > That is not working properly for us. The "x" file has not > changed but ant is not displaying "Verification Succeeded." > > __________________________________________________________ > Here is our main ant task (ctM.xml) > > > <project default="all"> > <target name="all"> > <ant target="GenerateCheckSum" antfile="ctdemo.xml"> > <property name="f" value="x"/> > </ant> > </target> > <target name="Verify"> > <ant target="ErrorMessageIfXChanged" antfile="ctdemo.xml"> > <property name="f" value="x"/> > </ant> > </target> > </project> > > Here is the ctdemo.xml ant task which ctM invoked: > > > <project> > <target name="GenerateCheckSum"> > <checksum file="${f}" forceoverwrite="yes"/> > <echo>Verification 01 </echo> > </target> > <target name="SeeIfXChanged" > > <checksum file="${f}" verifyProperty="${f}.changed"/> > <condition property="${f}.verified"> > <istrue value="${f}.changed"/> > </condition> > <echo>Verification 02</echo> > </target> > <target name="ErrorMessageIfXChanged" depends="SeeIfXChanged" > if="${f}.verified"> > <echo>Verification Succeeded</echo> > </target> > </project> > > > Here is the shell file we run > > ant -debug -buildfile ctM.xml Verify > > > Here is its output (I abbreviated a few of the lines that are > not relevant to this problem.) > > > > Apache Ant version 1.6.0 compiled on December 18 2003 > Buildfile: ctM.xml > Adding reference: ant.PropertyHelper > Detected Java version: 1.4 in: /usr/java/j2sdk1.4.1_01/jre > Detected OS: Linux > Adding reference: ant.ComponentHelper > Setting ro project property: ant.version -> Apache Ant version 1.6.0 > compiled > on December 18 2003 > Setting ro project property: ant.file -> > /home/leffstudent/Project/ctM.xml > Adding reference: ant.projectHelper > Adding reference: ant.parsing.context > Adding reference: ant.targets > parsing buildfile /home/leffstudent/Project/ctM.xml with URI = > file:///home/leffstudent/Project/ctM.xml > Setting ro project property: ant.file.null -> > /home/leffstudent/Project/ctM.xml > Project base dir set to: /home/leffstudent/Project > +Target: > +Target: all > +Target: Verify > Build sequence for target `Verify' is [Verify] > Complete build sequence is [Verify, all, ] > > Verify: > Adding reference: ant.ComponentHelper > *** setting internal property variables here *** > Project base dir set to: /home/leffstudent/Project > Setting ro project property: f -> x > [ant] calling target ErrorMessageIfXChanged in build > file /home/leffstudent/Project/ctdemo.xml > Setting ro project property: ant.file -> > /home/leffstudent/Project/ctdemo.xml > Adding reference: ant.projectHelper > Adding reference: ant.parsing.context > Adding reference: ant.targets > parsing buildfile /home/leffstudent/Project/ctdemo.xml with URI = > file:///home/leffstudent/Project/ctdemo.xml > Setting ro project property: ant.file.null - > > /home/leffstudent/Project/ctdemo.xml > Project base dir set to: /home/leffstudent/Project > +Target: > +Target: GenerateCheckSum > +Target: SeeIfXChanged > +Target: ErrorMessageIfXChanged > [ant] Entering /home/leffstudent/Project/ctdemo.xml... > Build sequence for target `ErrorMessageIfXChanged' is [SeeIfXChanged, > ErrorMessageIfXChanged] > Complete build sequence is [SeeIfXChanged, ErrorMessageIfXChanged, > GenerateCheckSum, ] > > SeeIfXChanged: > Setting project property: x.changed -> true > Condition false; not setting x.verified > [echo] Verification 02 > > ErrorMessageIfXChanged: > Skipped because property 'x.verified' not set. > [ant] Exiting /home/leffstudent/Project/ctdemo.xml. > > BUILD SUCCESSFUL > Total time: 1 second > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] >
