kotp

=begin
notes: I need to use readlines method....also I need to make a method that accepts user input or accepts a directory as an arg and maybe includes input validation to make sure that the directory includes "' '" or maybe easier include the single quotes in the method...
end
read_source_lines_from_file_to_a = File.read('C:\Users\demon002\text.txt').each_line.to_a

read_source_lines_from_file_to_a[5] = "test test inserted word test test"

File.open('C:\Users\demon002\text.txt', "w") do |inst|
	inst.puts read_source_lines_from_file_to_a.to_s
end

kotp

# a little program to accept a list of words, sort them without using the sort method, and output them in alphabetical order
i, j = 0, 0 # initialization of index variables
words, words2 = [], []
a_word = 'a' # dummy initialization to get into the until loop below
puts "Type a word and press <Enter> (Enter a blank line to quit):"
# Loop to accept an unspecified number of words-- creates original array
until a_word.empty?
  a_word = gets.chomp
  unless a_word.empty?
    words.push a_word

kotp

=begin
doctest: leap_year? for 1900 and 1999 and 2001 is false
>> leap_year?(1900)
=> false
>> leap_year?(1999)
=> false
>> leap_year?(2001)
=> false
doctest: leap_year? for 1904, 1996 and 2000 are true

kotp

# require FileUtils
require 'fileutils'
FileUtils.mv 'test.txt', 'test1.txt'

kotp

SyntaxError: compile error
(irb):3: syntax error, unexpected kNOT, expecting ')'
puts( not(1 == 1))
^
(irb):3: syntax error, unexpected ')', expecting $end
from (irb):3

kotp

>> puts (not(1 == 1))
false
=> nil
>> puts( not(1 == 1))

kotp

SyntaxError: compile error
(irb):1: syntax error, unexpected kNOT, expecting $end
puts not(1 == 1)
^
from (irb):1

kotp

puts (not(1 == 1) )

kotp

puts( not( 1 == 1) )

kotp

puts( not(1 == 1) )