Unity多开：工程文件以链接形式复制

说明

使用 mklink 链接原工程文件，减少磁盘空间、加载时间等。

python 版本：

import os, sys, glob, re, shutil

# evn settings
skips = ['Cache', 'Temp']
copies = ['Library']

if len(sys.argv) <= 2:
    _, name = os.path.split(sys.argv[0])
    print('Usage: ' + name + ' src dst')
    exit()

src_path = sys.argv[1]
dst_path = sys.argv[2]
if not os.path.exists(src_path):
    print(src_path + ' not exists')
    exit()
if os.path.exists(dst_path):
    print(dst_path + ' has been exists')
    exit()

os.makedirs(dst_path)
pattern = re.compile(r'^(' + src_path + ')')
for src_file in glob.glob(src_path + '/*'):
    dst_file = re.sub(pattern, dst_path, src_file)
    if src_file == dst_file:
        print('wrong path: ' + src_file)
        exit()
    _, name = os.path.split(src_file)
    if name in skips: 
        print('skip: ' + src_file)
    elif name in copies:
        shutil.copytree(src_file, dst_file)
        print('copy: ' + src_file + ' => ' + dst_file)
    else:
        if os.path.isdir(src_file):
            os.popen('mklink /J ' + dst_file + ' ' + src_file)
        else:
            os.popen('mklink ' + dst_file + ' ' + src_file)
        print('link: ' + src_file + ' => ' + dst_file)

bat 版本：

@echo off

rem evn settings
set skips=Cache Temp
set copies=Library

%~d0 && cd %~dp0
if %errorlevel% neq 0 goto done

set /p src_path=input src path: 
if not exist %src_path% (
    echo %src_path% not exists
    goto done
)

set /p dst_path=input dst path: 
if exist %dst_path% (
    echo %dst_path% has been exists
    goto done
)
md %dst_path%
if %errorlevel% neq 0 goto done

for %%i in (%src_path%\*) do (
    call :do_link %%i
)
for /d %%i in (%src_path%\*) do (
    call :do_link %%i
)

:do_link
    setlocal EnableDelayedExpansion

    set opt=
    set src_file=%1
    set dst_file=!src_file:%src_path%=%dst_path%!
    set basename=!src_file:%src_path%\=!

    for %%n in (%skips%) do (
        if "%%n"=="!basename!" (
            set opt=skip
        )
    )
    for %%n in (%copies%) do (
        if "%%n"=="!basename!" (
            set opt=copy
        )
    )

    if "!opt!"=="skip" (
        echo skip: !src_file!
    ) else if "!opt!"=="copy" (
        xcopy /s /e /y /q !src_file!\ !dst_file!\ >nul
        if %errorlevel% neq 0 goto done
        echo copy: !src_file! ==^> !dst_file!
    ) else if not "!src_file!"=="" (
        if exist !src_file!\nul (
            mklink /J !dst_file! !src_file! >nul
            if %errorlevel% neq 0 goto done
        ) else (
            mklink !dst_file! !src_file! >nul
            if %errorlevel% neq 0 goto done
        )
        echo link: !src_file! ==^> !dst_file!
    )

    endlocal
goto:eof

:done
pause >nul

powershell 版本：

# evn settings
$skips = "Cache", "Temp"
$copies = "Library"

cd (Split-Path -Parent $MyInvocation.MyCommand.Definition)
if(-not $?) { exit }

$src_path = Read-Host -Prompt 'input src path'
if(-not (Test-Path $src_path))
{
    echo "$src_path not exists"
    exit
}

$dst_path = Read-Host -Prompt 'input dst path'
if(Test-Path $dst_path)
{
    echo "$dst_path has been exists"
    exit
}
New-Item -type dir "$dst_path" > $null
if(-not $?) { exit }

foreach($f in (Get-ChildItem -Path $src_path))
{
    $src_file="$src_path\$f"
    $dst_file="$dst_path\$f"
    if($f.name -in $skips)
    {
        echo "skip: $src_file"
    }
    elseif($f.name -in $copies)
    {
        Copy-Item -Recurse "$src_file" "$dst_file" > $null
        if(-not $?) { exit }
        echo "copy: $src_file => $dst_file"
    }
    else
    {
        if(Test-Path $src_file -PathType Container)
        {
            New-Item -ItemType Junction -Value "$src_file" -Path "$dst_file" > $null
            if(-not $?) { exit }
        }
        elseif(Test-Path $src_file)
        {
            New-Item -ItemType SymbolicLink -Value "$src_file" -Path "$dst_file" > $null
            if(-not $?) { exit }
        }
        echo "link: $src_file => $dst_file"
    }
}