#should_download = actions.empty? || (actions.include? "download") # old line of code
# new lines of code:
should_download = false
server_preference = "goog" # Default to google
unless actions.empty?
actions.each do |action| # Actions is an array of launch options, ex: ["download-goog", "unzip", "extract"]
should_download = !(action.match /download/).nil? # is there a better way to evaluate false to nil and true to not nil?
if should_download # break once the download option has been found
server_preference = action.match(/goog|reed/).to_s # Sets server preference to "goog" or "reed" dependent on dl suffix
break
end
end end
processxref1 = '<?cross-reference-to-related-applications ... ?>'
processxref2 = '<?cross-reference-to-related-applications ... ?>'
matches = app.to_s.match(/#{Regexp.escape(processxref1)}(.*)#{Regexp.escape(processxref2)}/m)
if matches
Nokogiri::XML.fragment(matches[1].strip).xpath("./p/text()").to_s.gsub(/\n/, "")
text = "<abc>text</abc>"
md = text.match %r{<abc>(.*)</abc>}m
puts md[0] #=> <abc>text</abc>
puts md[1] #=> text
block.call nil #=> error: "" block.call "a" #=> error: "a" puts block.call 2 #=> 4 block.call %w[cat dog banana] #=> [error: "cat", error: "dog", error: "banana"] block.call (0..10) #=> [0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
numbers = (0..5) # a range of numbers from 0 to 5 block_flex_better.call(numbers) #=> [0, 1, 4, 9, 16, 25] numbers.map &block_flex_better #=> [0, 1, 4, 9, 16, 25]
block_flex_better = lambda do |arg, join=false| # arguments passed to the block
final_numbers = nil
# Takes some variable and attempts to square it
operation = lambda do |num|
if num.respond_to? "**" # Exponent notation in ruby
num**2
else
"error: \"#{num.to_s}\"" # If num cannot have exponents applied
end
end
if arg.respond_to? "map" # If the argument is some sort of enumerable
final_numbers = arg.map &operation
else # If the argument is a non-enumerable (such as a fixnum)
final_numbers = operation.call(arg)
end
join ? final_numbers.join(", ") : final_numbers # For convenience, a join can be applied automatically
# by setting the join boolean to true.
end