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import '*'

class common {
   define append_if_no_such_line($file, $line, $refreshonly = 'false') {
      exec { "/bin/echo '$line' >> '$file'":
         unless      => "grep -Fxqe '$line' '$file'",
         path        => "/bin:/usr/bin",
         refreshonly => "$refreshonly",
      }
   }

   define delete_lines($file, $pattern) {
      exec { "/bin/sed -i -r -e '/$pattern/d' $file":
         path   => "/bin:/usr/bin",
         onlyif => "grep -E '$pattern' '$file'",
      }
   }
}