Launchers

Cmd.Bat

@Echo Off
@Rem Batch file launcher with pause at exit
SetLocal EnableDelayedExpansion
Title %~n0
CD /D "%~dp0"

If /I "%1"=="Minimized" (
    Start /Min Cmd /C "%~dpnx0 PauseErrorOnly"
    Exit
)

If Exist %~dp0.Cmd (
    Rem Command script
    %~dp0.Cmd
) Else (
    Echo %~dp0.Cmd not found!
    Set ErrorLevel=1
)

Set ExitCode=!ErrorLevel!
Echo.
If /I "!ExitCode!"=="0" (
    If Not "%1"=="PauseErrorOnly" (
        Pause
    )
) Else (
    Echo Exit Code: !ExitCode! 1>&2
    Echo.
    Pause
)
Exit !ExitCode!

launcher.bash

#!/bin/bash
# BASh launcher with stdout and stderr to files
cd "$(dirname "${BASH_SOURCE[0]}")" || exit
name=$(basename "${BASH_SOURCE[0]}")
name=${name%.*}

if [ ! -x "$name" ]; then
  # Exec
  chmod +x "$name"
  command="./$name"
elif [ ! -f "$name.jar" ]; then
  # Java
  command="java -jar $name.jar"
elif [ ! -f "$name.py" ]; then
  # Java
  command="python -u $name.py"
else
  echo "Program file not found!"
  exit 1
fi

function doStart() {
  pid=$(pidof "$name")
  if [ ! "$pid" ]; then
    rm "$name.out" "$name.err"
    bash -c "exec -a $name $command &" 1>>"$name.out" 2>>"$name.err"
  fi
  sleep 1
  pid=$(pidof "$name")
  if [ "$pid" ]; then
    echo "$pid started"
  else
    cat "$name.out" "$name.err"
    exit 10
  fi
}

function doStop() {
  pid=$(pidof "$name")
  # shellcheck disable=SC2086
  if [ "$pid" ]; then
    kill $pid
    while kill -0 $pid 2>/dev/null; do
      sleep 1
    done
    echo "$pid stopped"
  fi
}

trap 'onCtrlC' INT

function onCtrlC() {
  doStop
}

if [ "$1" == "stop" ]; then
  doStop
  exit
elif [ "$1" == "start" ]; then
  doStart
  exit
elif [ "$1" == "restart" ]; then
  doStop
  doStart
  exit
else
  doStart
  tail --pid="$pid" -qf "$name.out" "$name.err"
fi

Launcher.Cmd

@Echo Off
@Rem Command script launcher with pause at exit
SetLocal EnableDelayedExpansion
Title %~n0
CD /D "%~dp0"

If /I "%1"=="Minimized" (
    Start /Min Cmd /C "%~dpnx0 PauseErrorOnly"
    Exit
)

If Exist %~dp0.Bat (
    Rem Batch
    %~dp0.Bat
) Else If %~dp0.Exe (
    Rem Executable
    %~dp0.Exe
) Else If %~dp0.JAr (
    Rem Java
    Java -jar %~dp0.JAr
) Else If %~dp0.Py (
    Rem Python
    Python -u %~dp0.Py
) Else (
    Echo Program file not found!
    Set ErrorLevel=1
)

Set ExitCode=!ErrorLevel!
Echo.
If /I "!ExitCode!"=="0" (
    If Not "%1"=="PauseErrorOnly" (
        Pause
    )
) Else (
    Echo Exit Code: !ExitCode! 1>&2
    Echo.
    Pause
)
Exit !ExitCode!