batch bash hybrid script

hybrid.bat

:<<"::CMDLITERAL"
@ECHO OFF
echo Welcome to %COMSPEC%
GOTO :CMDSCRIPT
::CMDLITERAL

echo "Welcome to ${SHELL}"

function REM {
    # REM is used to execute linux shell code
    eval $*
}

function call {
    # Do not do anything; call is for windows batch files
    :
}

# Note the space
: CMDSCRIPT
call echo This will be displayed in windows command prompt
REM echo This will be displayed in linux shell prompt
echo This will be displayed on both systems

some (maybe better) alternatives:

• https://stackoverflow.com/questions/17510688/single-script-to-run-in-both-windows-batch-and-linux-bash
• http://blog.nidi.guru/tech/java/2015/12/13/universal-executable/