# open the file
File.open('foo.txt') do |file|
# iterate over each line with its index
file.each_line.with_index(1) do |line, number|
puts "#{number}: #{line}"
end
end
# since we passed a block, the file is automatically closed after `end`# open the file
File.open('foo.txt') do |file|
# iterate over each line
file.each_line do |line|
puts line
end
end
# since we passed a block, the file is automatically closed after `end`# open the file
file = File.open('foo.txt')
# iterate over each line
file.each_line do |line|
puts line
end
# close the file afterwards
file.closeFile.readlines('foo').each do |line|
puts line
end| Code Example |
|---|
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