Comparison operators

Puppet supports some common comparison operators, which resolve to true or false:

• Equal ==, returns true if the operands are equal. Used with numbers, strings, arrays, hashes, and Booleans. For example:

  if $::osfamily == 'Debian' { [ ... ] }

• Not equal != , returns true if the operands are different:

  if $::kernel != 'Linux' { [ ... ] }

• Less than < , greater than >, less than or equal to <=, and greater than or equal to >= can be used to compare numbers:

  if $::uptime_days > 365 { [ ... ] }
  if $::operatingsystemrelease <= 6 { [ ... ] }

• Regex match =~ compares a string (left operator) with a regular expression (right operator), and resolves true, if it matches. Regular expressions are enclosed between forward slashes and follow the normal Ruby syntax:

  if $mode =~ /(server|client)/ { [ ... ] }
  if $::ipaddress =~ /^10\./ { [ ... ] }

• Regex not match !~, opposite to =~, resolves false if the operands match.