allow you to write script in windows bat file

!Shebang bat - summary.md

this is currently experimental

Summary	Shabang.bat allow you to embed your script in bat file. Only put #!.bat.
	You can write single script file and #!.bat doesn't create any filein your %temp% to run script
Env	Windows and ( node.js or python or ... )

#!.bat

@set scriptEngine=%1
@set scriptEngine=%scriptEngine:/= %
@set scriptEngine=%scriptEngine:\= %
@for %%A in (%scriptEngine%) do @set scriptEngineName=%%A
@echo %scriptEngineName%
@if exist %3 @set scriptName=%3
@if exist %2 @set scriptName=%2
@if "%scriptEngineName%" == "node" (
	@goto :node
) else ^
if  "%scriptEngineName%" == "python" (
	@goto :python
) else (
	@echo unknown script engine %scriptEngineName%
	@exit /b 1
) 

:node
  @node %scriptName%
  @exit /b %ERRORLEVEL%
  @goto :EOF

:python
  @python %scriptName%
  @exit /b %ERRORLEVEL%
  @goto :EOF


@rem README.md
@rem # How to use
@rem * put this file under PATH env as `#!.bat`
@rem * write your script like below with `.bat` or `.cmd` extension:
@rem     #! /usr/local/env/node "%~f$PATH:0" "%~f0" %* ^ 
@rem     console.log(process.argv)
@rem   * note: also use `\` as script path like `c:\usr\local\env\node`

README.md

this is currently experimental

shebang.bat

Write your LL Scripts in .bat or .cmd file.

important notice: Other unix like environment may use similar tricks.

How to use

• put #!.bat file under PATH env as #!.bat
• write your script like below with .bat or .cmd extension: #! /usr/local/env/node "%~f$PATH:0" "%~f0" %* ^ console.log(process.argv)
  • note: also use \ as script path like c:\usr\local\env\node

sample another lang.cmd

#! c:\usr\local/env\python "%~f$PATH:0" "%~f0" %* ^ 
print "Hello, World"

sample space include.cmd

#! c:\usr\local/env\node "%~f$PATH:0" "%~f0" %* ^ 
/*
echo "Hello, World"
*/
console.log(process.argv)

sample space include node-js.cmd