I think you missed to save changes ;-) try this, ( but on a backup it edits the file inplace ): 
perl -i -pe 's!(xdbns=.jabber:iq:auth.>)[^<]*(</password)!$1your_passw
+ord$2!g' your_user_file.xml

[download]

Update: I messed up the regex

Boris

In reply to Re: editing a file with regular expressions by borisz
in thread editing a file with regular expressions by gcazian

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