Class: Yatte::FileIO

Inherits:
Object
  • Object
show all
Defined in:
lib/yatte/file_io.rb

Class Method Summary collapse

Class Method Details

.read(path) ⇒ Object 



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# File 'lib/yatte/file_io.rb', line 7

def self.read(path)
  return [nil, "File not found: #{path}"] unless File.exist?(path)
  return [nil, "Permission denied: #{path}"] unless File.readable?(path)

  content = File.read(path, encoding: "UTF-8")
  lines = content.lines.map { |line| +line.chomp }
  lines = [+""] if lines.empty?
  [lines, nil]
rescue SystemCallError => e
  [nil, e.message]
end

.write(path, content) ⇒ Object 



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# File 'lib/yatte/file_io.rb', line 19

def self.write(path, content)
  tmp_path = "#{path}.tmp"
  bytes = content.bytesize

  File.open(tmp_path, "w") do |f|
    f.write(content)
    f.fsync
  end
  FileUtils.chmod(File.stat(path).mode, tmp_path) if File.exist?(path)
  File.rename(tmp_path, path)
  [true, "#{bytes} bytes written to disk"]
rescue SystemCallError => e
  [false, e.message]
ensure
  File.delete(tmp_path) if tmp_path && File.exist?(tmp_path)
end