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Subject: RE: How can I capture a file's date to a property?
Date: Thu, 12 Jul 2007 12:48:51 +0200
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Thread-Topic: How can I capture a file's date to a property?
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From: "Rebhan, Gilbert" <Gilbert.Rebhan@huk-coburg.de>
To: "Ant Users List" <user@ant.apache.org>
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=20
Hi,

if you want/need to go a more ' Antlike ' way =3D

i forgot there's another possibility with the <stringutils>
task from Antelope

"...
lastmodified Get the "last modified" date/timestamp of a file.
..."

so it gets something like (untested)

<fileutil file=3D"foobar.txt" property=3D"moddate">
  <lastmodified format=3D"...">
</fileutils>

when ${moddate} contains your File.lastModified

i never tried that task, but the Antelope task suite is great,
recommended.

get it here =3D
http://antelope.tigris.org/files/documents/1409/11489/AntelopeTasks_3.4.
2.zip

Regards, Gilbert


-----Original Message-----
From: Rebhan, Gilbert [mailto:Gilbert.Rebhan@huk-coburg.de]=20
Sent: Thursday, July 12, 2007 11:02 AM
To: Ant Users List
Subject: RE: How can I capture a file's date to a property?


Hi,

-----Original Message-----
From: cknell@onebox.com [mailto:cknell@onebox.com]=20
Sent: Wednesday, July 11, 2007 9:21 PM
To: user@ant.apache.org
Subject: How can I capture a file's date to a property?

/*
I've have found several tasks for copying and renaming files and
directories, but no way to get the file's date-stamp.
*/

i would go via <script> i.e.

with jruby =3D

<project name=3D"bla" default=3D"main" basedir=3D".">
  <target name=3D"depends">
  <scriptdef name=3D"filemod" language=3D"ruby">
   <attribute name=3D"fname"/>
   <attribute name=3D"prop"/>
   <![CDATA[
    attr =3D $bsf.lookupBean("attributes")
    fname =3D attr.get("fname")
    prop =3D attr.get("prop")
    t=3DFile.atime(fname)
    $project.setNewProperty "filename", fname
     $project.setNewProperty prop, t.strftime("%m.%d.%Y")
   ]]>
   </scriptdef>

 <filemod fname=3D"y:/test.txt"
          prop=3D"fmod"/>
   =20
  </target>

  <target name=3D"main" depends=3D"depends">
    <echo>
      ${filename} last modified =3D> ${fmod}
    </echo>
  </target>
</project>

see other time formatting possibilities =3D
 http://www.ruby.ch/ProgrammingRuby/htmlC/ref_c_time.html#strftime

or with javascript =3D

<scriptdef name=3D"filemod" language=3D"javascript">
 <attribute name=3D"fname"/>
<attribute name=3D"prop"/>
<![CDATA[
  fname =3D attributes.get("fname");
  prop =3D attributes.get("prop");
  f =3D new java.io.File(fname);
  date =3D new Date(f.lastModified());
  project.setNewProperty("filename", f);
  project.setNewProperty(prop, date);
]]>
</scriptdef>

have a look at java.util.Date apidocs if
you need other time formatting


Regards, Gilbert


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