Issue #11051 has been updated by Egon Kastelijn.

Hi,

Sorry for my late reply.
We tested the work-around with the double back-slash before the backtick.
-> It works!
We don't see the warnings in the Puppet log anymore, and the manifest works 
fine.

Thanks!

   Egon

----------------------------------------
Bug #11051: Unrecognised escape sequence '\`' in file (escaped backtick in 
manifest)
https://projects.puppetlabs.com/issues/11051

Author: Egon Kastelijn
Status: Investigating
Priority: Normal
Assignee: 
Category: 
Target version: 
Affected Puppet version: 
Keywords: puppet escape sequence backtick
Branch: 


We are developing MySQL recipes to make Puppet create and manage databases.

In order to create a MySQL database the database-name needs to be surrounded by 
backticks:

    exec { "database-${dbname}":
      command => "/usr/bin/mysql -uroot -p${mysql_password} -e \"create 
database \`${dbname}\`;\"",
      unless  => "/usr/bin/mysql -uroot -p${mysql_password} -e \"show 
databases\" |/bin/grep ^${dbname}$",
      require =>  Class["mysql::server"],
    } 

The catalogs runs fine, and the MySQL database is nicely created on the node.

The problem is that the PuppetMaster complains about an unrecognised escape 
sequence:

    Sat Nov 26 07:22:54 +0100 2011 Puppet (warning): Unrecognised escape 
sequence '\`' in file /etc/puppet/prod/modules/mysql/manifests/database.pp at 
line 15





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