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Checking to See if a File Exists
CodeExpectedActual
filename = 'a_file.txt'
File.file? filename
 false false 
require 'fileutils'
FileUtils.touch(filename)
File.file? filename
 true true 
directory_name = 'a_directory'
FileUtils.mkdir(directory_name)
File.file? directory_name
 false false 
File.exists? directory_name
 true true 
File.directory? directory_name
 true true 
File.directory? filename
 false false 
File.blockdev? '/dev/hda1'
 true true 
File.chardev? '/dev/tty1'
 true true 
File.socket? '/var/run/mysqld/mysqld.sock'
 true true 
system('mkfifo named_pipe')
File.pipe? 'named_pipe'
 true true 
new_filename = "#{filename}2"
File.symlink(filename, new_filename)
File.symlink? new_filename
 true true 
File.file? new_filename
 true true