cmd exist
Try using this for a file: IF EXIST yourfilename ( echo Yes ) ELSE ( echo No ). Replace yourfilename with what you file name is. For a dir look at this ... ,if exist <insert file name here> ( rem file exists ) else ( rem file doesn't exist ). Or on a single line (if only a single action needs to occur): if exist <insert file name ...
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 cmd exist 相關參考資料
"if not exist" command in batch file - Stack Overflow
if not exist "%USERPROFILE%-.qgis-custom-" ( mkdir "%USERPROFILE%-.qgis-custom" 2>nul if not errorlevel 1 ( xcopy "%OSGEO4W_ROOT%-qgisconfig" ... https://stackoverflow.com Checking if a folder exists using a .bat file - Stack Overflow
Try using this for a file: IF EXIST yourfilename ( echo Yes ) ELSE ( echo No ). Replace yourfilename with what you file name is. For a dir look at this ... https://stackoverflow.com How to check if a file exists from inside a batch file - Stack ...
if exist <insert file name here> ( rem file exists ) else ( rem file doesn't exist ). Or on a single line (if only a single action needs to occur): if exist <insert file name ... https://stackoverflow.com How to verify if a file exists in a batch file? - Stack Overflow
IF EXIST "filename" ( REM Do one thing ) ELSE ( REM Do another thing ). If you do not need .... `To see all the commands type`xcopy /? in cmd. Call other batch ... https://stackoverflow.com if | Microsoft Docs
errorlevel <Number>, Specifies a true condition only if the previous program run by Cmd.exe returned an exit code equal to or greater than ... https://docs.microsoft.com IF條件判斷(3) - 檢查檔案或目錄是否存在- iT 邦幫忙::一起幫忙解決難題 ...
說明用IF檢查檔案或目錄是否存在。 語法： IF EXIST 檔案(命令1) ELSE (命令2) 如果檔案（不管檔名的大小寫）存在，就執行命令1，不存在就執行 ... https://ithelp.ithome.com.tw Prevent overwriting a file using cmd if exist - Stack Overflow
Use the FULL path to the folder in your If Not Exist code. Then you won't even have to CD anymore: If Not Exist "C:-Documents and Settings-John-Start ... https://stackoverflow.com windows - Check whether a filefolder exists, with cmd command ...
The solution when the resource is a file it is pretty straight-forward as indicated by others: C:-> IF EXIST C:-CONFIG.SYS ECHO C:-CONFIG. https://superuser.com windows - How to verify if a file exists in a batch file? - Stack Overflow
set __myVariable= IF EXIST "C:-folder with space-myfile.txt" set __myVariable=C:-folder with .... `To see all the commands type`xcopy /? in cmd. https://stackoverflow.com [CMD]Check Folder exist and create folder 檢查資料夾是否存在並建立 ...
@echo off IF EXIST "D:-temp-3939889" (echo "Folder 3939889 already exists") ELSE (md D:-temp-3939889) IF NOT EXIST "D:-temp-8825252" ... https://dotblogs.com.tw |