removing matching line from file

[Philip Brown]

I've been using the stdlib::file_line resource happily for a bit now, but then ran into a problem

I have a class, which can be simplified as follows

class prop(propval)
{
  file_line {conffile:
     line=>"PROPERTY=propval"
  }
}


However, I'm attempting to plan for the future, and it sounds rather useful to have the ability to remove the property completely.
The app I'm configuring this for, expects to see NO "PROPERTY=" value, if you want to disable this feature.

Unfortunately, I dont see a way to do it, without some ugly exec() calls.

In other words, what I'd LIKE to be able to do, is someting like

  file_line{ conffile:
    line=>"PROPERTY=",
    match=> "^PROPERTY=.*",
    ensure=>absent,
  }

and then have file_line remove a line, if present, that matches "PROPERTY=".

After all, it can do

   replace  "^PROPERTY="  with "PROPERTY=foo"

So surely there's some way to do

   replace  "^PROPERTY="  with "[empty]"

?

[尹川]

thank you for let me know there is a stdlib module,many thanks!

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