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author | Krzysztof Wilczynski <krzysztof.wilczynski@linux.com> | 2011-04-29 03:09:52 +0100 |
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committer | Krzysztof Wilczynski <krzysztof.wilczynski@linux.com> | 2011-04-29 03:09:52 +0100 |
commit | 1c07b8dba921f9ecc73fa29d9994b9ccf07e8538 (patch) | |
tree | 25005e8fa05d1d5a9d0f6045d637674b15796a12 /abs.rb | |
parent | 177f0c730be495f3ae63ca2ced0ad3b5d0b8b3d3 (diff) | |
download | puppet-stdlib-1c07b8dba921f9ecc73fa29d9994b9ccf07e8538.tar.gz puppet-stdlib-1c07b8dba921f9ecc73fa29d9994b9ccf07e8538.tar.bz2 |
First version. Simple abs function to use within Puppet DSL.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
Diffstat (limited to 'abs.rb')
-rw-r--r-- | abs.rb | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -0,0 +1,32 @@ +# +# abs.rb +# + +module Puppet::Parser::Functions + newfunction(:abs, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "abs(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + value = arguments[0] + + if value.is_a?(String) + if value.match(/^-?(?:\d+)(?:\.\d+){1}$/) + value = value.to_f + elsif value.match(/^-?\d+$/) + value = value.to_i + else + raise(Puppet::ParseError, 'abs(): Requires a numeric ' + + 'value to work with') + end + end + + result = value.abs + + return result + end +end + +# vim: set ts=2 sw=2 et : |