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# |
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fname = "sample.txt" | |
somefile = File.open(fname, "w") | |
somefile.puts "Hello file!" | |
somefile.close |
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require 'rubygems' | |
require 'rest-client' | |
require 'open-uri' | |
hamlet_url = "http://ruby.bastardsbook.com/files/fundamentals/hamlet.txt" | |
# Create the Hamlet file | |
File.open("hamlet.txt", "w") do |file| | |
file.write(RestClient.get(hamlet_url)) | |
end | |
# Print every 42nd line | |
File.open("hamlet.txt", "r").readlines.each_with_index do |line, index| | |
if ((index + 1) % 42 == 0) | |
puts line | |
end | |
end | |
# Solution (alternate) | |
# url = "http://ruby.bastardsbook.com/files/fundamentals/hamlet.txt" | |
# local_fname = "hamlet.txt" | |
# File.open(local_fname, "w"){|file| file.write(open(url).read)} | |
# File.open(local_fname, "r") do |file| | |
# file.readlines.each_with_index do |line, idx| | |
# puts line if idx % 42 == 41 | |
# end | |
# end | |
# Print only Hamlet's lines | |
file = File.open("hamlet.txt", "r") | |
while !(file.eof?) | |
puts file.readline.scan(/^\s\s(Ham).+/) | |
end |
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require 'rubygems' | |
require 'rest-client' | |
require 'open-uri' | |
# Write to a file | |
File.open("wiki-page.html", "w") do |file| | |
file.write "http://en.wikipedia.org/" | |
end | |
# Get / Fetch a file (from the web) | |
File.open("wiki-page-actual.html", "w") do |file| | |
file.write(RestClient.get("http://en.wikipedia.org")) | |
end | |
# Read a file | |
contents = File.open("wiki-page.html", "r") { |file| file.read } | |
puts contents | |
print "\n" | |
# Readlines | |
File.open("sample.txt").readlines.each { |line| | |
puts line | |
} | |
print "\n" | |
# Readline | |
file = File.open("sample.txt", "r") | |
while !(file.eof?) | |
line = file.readline | |
puts line | |
end | |
print "\n" | |
# Get / Fetch a file (from the web) then read it. | |
url = "http://ruby.bastardsbook.com/files/fundamentals/hamlet.txt" | |
puts open(url).readline | |
print "\n" |
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