dos if not exist folder
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） ... DOS 不死系列第10 篇 ... IF NOT EXIST %TMP% ECHO 沒有暫存目錄., Checking if a folder exists was not as simple as it seemed in "real" DOS (COMMAND.COM): IF EXIST d:-somefolder ECHO d:-somefolder exists., Not including a trailing backslash will test for a file or a directory. ... You can test if a nul file exists; if the directory exists it will contain a nul file, ...,Just to elaborate on how you might choose to use these variables... You can test the Win7 startup folder for existence, and if it's not there just fallback to the XP ... , @echo off setlocal EnableExtensions DisableDelayedExpansion set "Directory=mydir-subdir 1-subdir 2" if not exist "%Directory%-*" md ...,Redirect the output of the del command to nul. Note the 2 , to indicate error output should be redirected. See also this question, and especially the tech doc ... ,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 ... ,How to test if a file is a directory in a batch script? ... As foxidrive said, this might not be reliable on NT class windows. ... if exist "c:-folder-" echo folder exists. ,9 Answers. You just use this: if not exist "C:-VTS-" mkdir C:-VTS it wll create a directory only if the folder does not exist. Note that this existence test will return true only if VTS exists and is a directory. If it is not there, or is there
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 dos if not exist folder 相關參考資料
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 ...
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） ... DOS 不死系列第10 篇 ... IF NOT EXIST %TMP% ECHO 沒有暫存目錄. https://ithelp.ithome.com.tw Batch Techniques - Check if a folder exists - Rob van der Woude
Checking if a folder exists was not as simple as it seemed in "real" DOS (COMMAND.COM): IF EXIST d:-somefolder ECHO d:-somefolder exists. https://www.robvanderwoude.com command line - How to check if a directory exists in Windows ...
Not including a trailing backslash will test for a file or a directory. ... You can test if a nul file exists; if the directory exists it will contain a nul file, ... https://superuser.com batch file to check existance of directory if not exists then use ...
Just to elaborate on how you might choose to use these variables... You can test the Win7 startup folder for existence, and if it's not there just fallback to the XP ... https://stackoverflow.com Create folder in batch script and ignore if it exists - Stack Overflow
@echo off setlocal EnableExtensions DisableDelayedExpansion set "Directory=mydir-subdir 1-subdir 2" if not exist "%Directory%-*" md ... https://stackoverflow.com Delete a directory and its files using command line but don't ...
Redirect the output of the del command to nul. Note the 2 , to indicate error output should be redirected. See also this question, and especially the tech doc ... https://stackoverflow.com 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 Checking if a folder exists using a .bat file - Stack Overflow
How to test if a file is a directory in a batch script? ... As foxidrive said, this might not be reliable on NT class windows. ... if exist "c:-folder-" echo folder exists. https://stackoverflow.com Create folder with batch but only if it doesn't already exist ...
9 Answers. You just use this: if not exist "C:-VTS-" mkdir C:-VTS it wll create a directory only if the folder does not exist. Note that this existence test will return true only if VTS exis... https://stackoverflow.com |