sabre/vobject 4.5.5 duplicate contact merge tool
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<b>Warning</b>:  Undefined variable $argc in <b>/srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/sabre/vobject/bin/mergeduplicates.php</b> on line <b>27</b><br />

Usage: <br />
<b>Warning</b>:  Undefined variable $argv in <b>/srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/sabre/vobject/bin/mergeduplicates.php</b> on line <b>29</b><br />
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<b>Warning</b>:  Trying to access array offset on null in <b>/srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/sabre/vobject/bin/mergeduplicates.php</b> on line <b>29</b><br />
 input.vcf output.vcf [debug.log]