Last change
on this file since 30903 was 30903, checked in by davidb, 7 years ago |
Vagrant provisioning files for a 4-node Hadoop cluster. See README.txt for more details
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File size:
859 bytes
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1 | #
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2 | # swapcase.rb
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3 | #
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4 |
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5 | module Puppet::Parser::Functions
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6 | newfunction(:swapcase, :type => :rvalue, :doc => <<-EOS
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7 | This function will swap the existing case of a string.
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8 |
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9 | *Examples:*
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10 |
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11 | swapcase("aBcD")
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12 |
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13 | Would result in: "AbCd"
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14 | EOS
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15 | ) do |arguments|
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16 |
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17 | raise(Puppet::ParseError, "swapcase(): Wrong number of arguments " +
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18 | "given (#{arguments.size} for 1)") if arguments.size < 1
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19 |
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20 | value = arguments[0]
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21 |
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22 | unless value.is_a?(Array) || value.is_a?(String)
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23 | raise(Puppet::ParseError, 'swapcase(): Requires either ' +
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24 | 'array or string to work with')
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25 | end
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26 |
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27 | if value.is_a?(Array)
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28 | # Numbers in Puppet are often string-encoded which is troublesome ...
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29 | result = value.collect { |i| i.is_a?(String) ? i.swapcase : i }
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30 | else
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31 | result = value.swapcase
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32 | end
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33 |
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34 | return result
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35 | end
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36 | end
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37 |
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38 | # vim: set ts=2 sw=2 et :
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