Cmd

Code

git clone git@github.com:eric2003/ModernCmd.git
or
git clone https://github.com/eric2003/ModernCmd.git

You can edit your Microsoft.VSCode_profile.ps1 file (full path can be found when you type $profile in the editor and remove all code referring to anaconda. To open the profile file, type notepad $profile in the terminal.

Display all environment variables

SET

Display ProgramData variable

echo %ProgramData%

Display ProgramFiles(x86) variable

echo %ProgramFiles(x86)%

Display ProgramFiles(x86) variable

echo %ProgramFiles(x86)%

echo %comspec%
results:
C:\Users\eric>echo %comspec%
C:\WINDOWS\system32\cmd.exe

set (environment variable)

set testVar=TEST^&1
set testVar

delete environment variable

set testVar=

Run Vs2022 bat

C:\Users\eric>"c:\Program Files\Microsoft Visual Studio\2022\Community\Common7\Tools\"VsDevCmd
**********************************************************************
** Visual Studio 2022 Developer Command Prompt v17.7.5
** Copyright (c) 2022 Microsoft Corporation
**********************************************************************

C:\Users\eric>echo %LIB%
c:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\ATLMFC\lib\x86;c:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\lib\x86;C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\lib\um\x86;C:\Program Files (x86)\Windows Kits\10\lib\10.0.19041.0\ucrt\x86;C:\Program Files (x86)\Windows Kits\10\\lib\10.0.19041.0\\um\x86

FOR

@echo off
for %%i in (1,2,3) do echo %%i
pause
results:
1
2
3

@echo off

for %%i in (a b c d) do (
  echo %%i
)
pause
results:
a
b
c
d

使用for /f命令从文件中读取每一行内容并进行处理：

@echo off

for /f "tokens=*" %%i in (myfile.txt) do (
  echo %%i
)
pause
results:
1
2 3 4
5 a

myfile.txt

1
2 3 4
5 a

使用for /f命令遍历文件夹中的所有文件：

@echo off

for /f "tokens=*" %%i in ('dir /b') do (
  echo %%i
)
pause
results:
d:\work\batch_work\ModernBatchFiles\codes\for\05>testprj.bat
1.txt
2.txt
3.txt
testprj.bat
请按任意键继续. . .

vswhere -property installationPath

@echo off

for /f "delims=" %%a in (
'"%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe" -property installationPath'
) do (
    echo %%a
)
pause
results:
d:\work\batch_work\ModernBatchFiles\codes\for\07>testprj.bat
C:\Program Files\Microsoft Visual Studio\2022\Community
请按任意键继续. . .