17

If I try to run mkdir build to create a build directory, if the directory already exists, this error is thrown: A subdirectory or file build already exists.. I need to delete and overwrite this directory. What is the command for that?

valiano
  • 329
  • 1
  • 10
Shawn Mclean
  • 393
  • 4
  • 6
  • 17

5 Answers5

13

You can delete the build directory with

rd /s /q build

or

if exist build rd /s /q build
Harry Johnston
  • 5,754
  • 7
  • 30
  • 55
  • For best results, run this command twice. It will sometimes fail if, e.g., Windows Search happens to be indexing that directory at just the wrong time. – Harry Johnston May 14 '19 at 05:28
8

I wanted to create directory only if it does not exist
If it exists, nothing to do

Below worked great in the bat file:

if not exist someDir1 mkdir someDir1
2

I don't think it is possible to use the mkdir command to do that natively (though if you were will to do a bit more scripting, it would be possible).

A simple alternative is the following command in powershell:

New-Item path -type directory -force

Where path is something like C:\users\name\build

For more on New-Item see: http://technet.microsoft.com/en-us/library/ee176914.aspx

soandos
  • 24,206
  • 28
  • 102
  • 134
0

You can try the rd command to remove the directory. You have to ensure the directory is empty first though.

Dave
  • 25,297
  • 10
  • 57
  • 69
Henry
  • 1
-3

This command can help:

mkdir -p a & rm -r a & mkdir a

This my answer in stackoverflow

  • 1
    Please read the question again carefully. Your answer does **not** answer the original question. OP is using Windows **not** Unix. – DavidPostill Aug 27 '16 at 07:16