back up folder and always having 7 folders using ANT -

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i have requirements ant script.

my ant script checking out of "mobile"folder version control software "nightly build" folder , have requirements:

  1. if inside "nightly build" folder, there exist folder "mobile" folder, want older folder renaming folder "mobile" + timestamp

  2. "nightly build" folder should contain 7 such "mobile" folders only. means if there 8 "mobile", need delete oldest "mobile" folder

is possible in ant script(performed sequentially) , how do it?

suggestion - deletes more 7 days old, rather keeping fixed number of builds.

<property name="builds.dir" value="nightly build" /> <property name="build.dir" value="mobile" />  <tstamp>     <format property="cutoff.7"             offset="-7"             unit="day"             pattern="mm/dd/yyyy hh:mm aa"/> </tstamp>  <tstamp>     <format property="suffix"             pattern="yyyymmddhhmmss"/> </tstamp>  <move file="${builds.dir}/${build.dir}"       tofile="${builds.dir}/${build.dir}.${suffix}"       failonerror="false" />  <delete>     <dirset dir="${builds.dir}" id="old.dirs" includes="${build.dir}.*">         <date datetime="${cutoff.7}" when="before" checkdirs="yes" />     </dirset> </delete>  </project>

see ant tstamp task , selectors more details.


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