check if file exists

add %cd%/ before file.name to get current location ie. pwd:

if exist file.name (
    echo "file exists"
) else (
    echo "file doesn't exist"
)

Username

echo %USERNAME%

Domainname

echo %USERDOMAIN%

run 'set' to see the full list

delete folder with sub-folder

rmdir /S /Q "path\to\folder" :: /Q for quiet mode /S for sub-folder

run .bat file form .bat file

call "file.bat"

delete file

del /Q "path\to\folder" :: /Q for quiet mode

downlaod file (PowerShell 2.0)

(New-Object Net.WebClient).DownloadFile('http://www.foo.com/package.zip', 'package.zip')

call PowerShell form Batch file

powershell -Command "powershell_command"

donwloading a file from batch file using PowerShell

powershell -Command "(New-Object Net.WebClient).DownloadFile('https://download.url', 'path\to\save\with\file.extension')"

delete all with cygwin

takeown /f "DRIVE:\cygwin" /r /d Y

unrar .rar file (must have unRAR.exe in the same location of .bat file)

unrar x "%rar_loc%" "%ext_loc%"

create shortcut (must have shortcut.exe in the same location of .bat file)

shortcut /a:c /f:"path/to/destination.lnk" /t:"path/to/source.extension"

Extract an 7zip SFX archive

(source:http://stackoverflow.com/a/32105548/5350059)

sfx.exe -y -gm2 -InstallPath="C:\\your\\target\\path"
can also extract sfx.7z.exe

kill a task

Taskkill /IM application_name.exe /F

get folder name from folder path

set loc= \path\to\folder
for %%f in (%loc%) do set output=%%~nxf
::output gives the folder name
echo %output%

list all dirve in windows and some more info

wmic logicaldisk get caption,providername,drivetype,volumename

get drive letter from file path (i.e. C:,D:)

set script_path=C:\all\ball
set script_drive=%CD:~0,3%
echo %script_drive%

# note if 2 is used in place of 1 we get C:

change drive

chdir /d %drive_letter%:

store the output of a command in a variable (replace %%i with %i while in cmd)

set cmd="%cmd%"
for /f "tokens=*" %%i in (' %cmd% ') do set x=%%i

store the output of a command in a file

command>output.txt

read file line by line

for /f "tokens=*" %%a in ('type "my file.txt"') do [process] %%a

set the value of %%a (special value used in for loop) in to %var%

set "var=%%a"

logout

shutdown /l /f

unzip .zip with WinRar

WinRAR.exe x -ibck %app_name%.zip %folder_name%

(source: http://stackoverflow.com/a/19337595)

hide and unhide a user

::hide
net user hidden /active:no
::unhide
net user hidden /active:yes

(source: http://www.wikihow.com/Create-and-Manage-a-Hidden-Account-in-Windows-7)

lock workstation

rundll32.exe user32.dll,LockWorkStation

(source: http://winaero.com/blog/all-ways-to-lock-a-windows-10-pc/)

find the location of an executable (which alternative)

cd \
dir /s /b mytool.exe
::OR to find firefox on C:\
where /R c:\ firefox.exe

(source: https://superuser.com/a/49107/655587)

read first line from text file

set /p texte=< file.txt
echo %texte%

(source: http://stackoverflow.com/a/7827243/5350059)

rename a file

rename test.txt hope.txt

(source: https://www.computerhope.com/issues/ch000846.htm)

How to Restart Windows’ Explorer.exe (Along with the Taskbar and Start Menu)

taskkill /f /IM explorer.exe
start explorer.exe
exit

(source: https://www.howtogeek.com/198815/use-this-secret-trick-to-close-and-restart-explorer.exe-in-windows/)

don't show command output to screen [dump to null]

command >NUL

file sync

xcopy *.* C:\flashdrive1 /a (/a only copies files with the archive bit set, ie. those that have changed.)
attrib -a /s (resets the archive bit. It is set when changes are made to a file.)

Source

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