Which Windows versions include where with shebang support?

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The "shebang" support, which allows the execution of scripts with a specified interpreter by using a shebang line, is primarily associated with Unix-like operating systems. However, Windows has introduced support for shebang lines in certain versions and with specific configurations. Here are the notable Windows versions and conditions that include shebang support:

  1. Windows 10 with Windows Subsystem for Linux (WSL):

    • Windows 10 introduced the Windows Subsystem for Linux (WSL), which allows running a Linux environment alongside Windows.
    • With WSL installed, you can create and execute scripts with shebang lines, just like on a Linux system.
    • Shebang lines specifying a valid interpreter path (e.g., #!/usr/bin/env python) will work within the WSL environment.

  2. Windows 10 with Git Bash or Cygwin:

    • Git Bash and Cygwin are software packages that provide a Unix-like environment on Windows.
    • When using Git Bash or Cygwin, you can utilize shebang lines to execute scripts with the specified interpreter.
    • Ensure that the interpreter specified in the shebang line is available and properly configured within the Git Bash or Cygwin environment.

  3. Windows Server 2019 with WSL or Git Bash/Cygwin:

    • Similar to Windows 10, Windows Server 2019 supports shebang lines when using WSL, Git Bash, or Cygwin.
    • By using these environments, you can leverage shebang lines to execute scripts with the specified interpreter.

It's important to note that native Windows CMD or PowerShell environments do not directly support shebang lines. To execute scripts with shebang lines in those environments, you typically need to specify the interpreter explicitly or run the script through a compatible shell environment like WSL, Git Bash, or Cygwin.

Always consider the target environment when developing scripts that rely on shebang lines to ensure compatibility and portability across different operating systems and configurations.