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I don't think there is an out-of-the-esri-box way to do this, but has anyone hacked up a way to change this value automatically for a build? Perhaps using a pre-build event command?

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+1! Date would be good too. – blah238 Oct 6 '11 at 22:27
How about using some Python in the pre-build event to edit the XML directly? – Chad Cooper Oct 6 '11 at 23:16
@ChadCooper: I ended up going that route. I was really hoping someone would have already written it. – Jay Cummins Oct 7 '11 at 12:39
up vote 7 down vote accepted

The Python option works for me:

c:\Python26\ArcGIS10.0\python.exe C:\sandbox\py\misc\ "$(ProjectDir)Config.esriaddinx"

enter image description here

(Python gurus, feel free to jump in and make it better)

import os, sys
import xml.dom.minidom
import datetime

filename = sys.argv[1]
print filename

b = 0

doc = xml.dom.minidom.parse(filename)

tags = doc.getElementsByTagName('Version')

if (len(tags)==1):
    currentNodeValue =  tags[0].childNodes[0].toxml()
    tokens = currentNodeValue.split('.')
    lastToken = tokens[len(tokens) -1]
    if lastToken.isnumeric():
        i = int(lastToken)
        i +=1       
        tokens[len(tokens) -1] = str(i)
        tags[0].childNodes[0].nodeValue = newVersionNumberValue
        b = 1
        print newVersionNumberValue

tags = doc.getElementsByTagName('Date')
if (len(tags)==1):
    tags[0].childNodes[0].nodeValue"%Y-%m-%d %H:%M")
    b = 1
    print tags[0].childNodes[0].nodeValue

if (b==1):
    f = open(filename,'wb')
    doc.writexml(f,encoding= 'utf-8')

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You should get extra points for having to roll this yourself! – Chad Cooper Oct 7 '11 at 13:38
Heck of a lot better then my method! I've installed cygwin with sed that does roughly the same thing. Kudos! – Erik L Oct 7 '11 at 16:33
@baens: that's what I attempted initially, but I'm terrible with sed/ssed! – Jay Cummins Oct 8 '11 at 15:50

A second approach using a utility exe (requires .NET 4) that I've recently extended:

esri_addin_util.exe -o UpdateProperties --updateDate --addinDesc="Test Description ABC" --increaseVersion -f "Path to the Directory containing the esriaddinx file"

  -o/--operation required option is missing.

  -f, --file           Add In File

  -o, --operation      Required. Operation: ShowAddInVersion, PurgeAddIns,
                       Diag, ZipAddIn, UpdateProperties

  --output             Output file

  --updateDate         (Default: True) Updates the Date property of the AddIn
                       to the current UTC date when performing a '-o
                       UpdateProperties' operation.

  --addinDesc          Updates the AddIn Description.

  --increaseVersion    (Default: True) Increases the version number of the
                       AddIn when performing a '-o UpdateProperties' operation.

  --help               Display this help screen.
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