file.fy

def class File {
  def self exists?: filename {
    "Indicates, if a File exists with a given filename."
    try {
      f = File open: filename modes: ['read]
      f close
      true
    } catch IOError => e {
      nil
    }
  }

  def self read: filename {
    lines = []
    File open: filename modes: ['read] with: |f| {
      { f eof? } while_false: {
        lines << (f readln)
      }
    }
    lines join: "\n"
  }

  def writeln: x {
    "Writes a given argument as a String followed by a newline into the File."

    write: x
    self newline
  }

  def print: x {
    "Same as File#write:."
    write: x
  }

  def println: x {
    "Same as File#writeln:."
    writeln: x
  }
}