ruby RubyでWindowsとUNIXの标准出力とエラー出力を抑止する

Posted 2021-05-16

if FileTest.exist? "NUL"
  # Measures for Windows.
  # also MS-DOS. Perhaps, also CP/M
  system("echo hello, everybody > NUL 2>&1")
else
  # Measures for UNIX
  system("echo hello, everybody > /dev/null 2>&1")
end