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Contents
# = YAML Extensions
#
# YAML related extenstions.
#
# The Kernel method #yaml is a shortcut to YAML::load.
#
# yaml %{
# a: 1
# b: 2
# }
#
# produes
#
# {:a=>1, :b=>2}
#
# File.yaml? provides a way to check if a file is a YAML
# formatted file.
#
# File.yaml?('project.yaml') #=> true
# File.yaml?('project.xml') #=> false
#
# == Authors
#
# * Thomas Sawyer
#
# == Copyright
#
# Copyright (c) 2006 Thomas Sawyer
#
# Ruby License
#
# This module is free software. You may use, modify, and/or redistribute this
# software under the same terms as Ruby.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.
require 'yaml'
module Kernel
# Convenience method for loading YAML.
#
def yaml(*args,&blk)
YAML.load(*args,&blk)
end
# As with #to_yaml but removes the header line (i.e. '---') to create a "YAML fragment".
#
def to_yamlfrag
y = to_yaml
y.sub!(/---\ */, '')
y
end
end
class File
# Is a file a YAML file?
#
# Note this isn't perfect. At present it depends on the use
# use of an initial document separator (eg. '---'). With
# YAML 1.1 the %YAML delaration will be manditory, so in the
# future this can be adapted to fit that standard.
#
def self.yaml?(file)
File.open(file) do |f|
until f.eof?
line = f.gets
break true if line =~ /^---/
break false unless line =~ /^(\s*#.*?|\s*)$/
end
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems