diff options
author | Micah <micah@leap.se> | 2016-05-24 10:19:33 -0400 |
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committer | Micah <micah@leap.se> | 2016-05-24 10:19:33 -0400 |
commit | 1da5dc55ee48fcd437f5b5df00a5b2f3991ec9f1 (patch) | |
tree | 1794e812d83facd93b3007c42632c63ddf1eb2fc /lib/puppet/parser/functions/chop.rb |
Squashed 'puppet/modules/stdlib/' content from commit 7112363
git-subtree-dir: puppet/modules/stdlib
git-subtree-split: 71123634744b9fe2ec7d6a3e38e9789fd84801e3
Diffstat (limited to 'lib/puppet/parser/functions/chop.rb')
-rw-r--r-- | lib/puppet/parser/functions/chop.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/chop.rb b/lib/puppet/parser/functions/chop.rb new file mode 100644 index 00000000..b24ab785 --- /dev/null +++ b/lib/puppet/parser/functions/chop.rb @@ -0,0 +1,36 @@ +# +# chop.rb +# + +module Puppet::Parser::Functions + newfunction(:chop, :type => :rvalue, :doc => <<-'EOS' + Returns a new string with the last character removed. If the string ends + with `\r\n`, both characters are removed. Applying chop to an empty + string returns an empty string. If you wish to merely remove record + separators then you should use the `chomp` function. + Requires a string or array of strings as input. + EOS + ) do |arguments| + + raise(Puppet::ParseError, "chop(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + value = arguments[0] + + unless value.is_a?(Array) || value.is_a?(String) + raise(Puppet::ParseError, 'chop(): Requires either an ' + + 'array or string to work with') + end + + if value.is_a?(Array) + # Numbers in Puppet are often string-encoded which is troublesome ... + result = value.collect { |i| i.is_a?(String) ? i.chop : i } + else + result = value.chop + end + + return result + end +end + +# vim: set ts=2 sw=2 et : |