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Wikis - Page Details

First published by Craig Landis (6Microsof)
When: 1 Sep 2011 7:36 AM
Last revision by TejasJ
When: 13 Jan 2012 2:51 AM
Revisions: 4
Comments: 1

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Bulk File Creation in Windows

Sometimes it can be helpful to automate the creation of many files for testing purposes. Please add additional methods to this topic.

Command Scripting (Batch File) Methods

Create 1000 files approximately 13 byte files using only command scripting language:

    For /L %i in (1,1,1000) do echo > %i

To have the file names be A<number>.tmp instead of just <number>:

    For /L %i in (1,1,1000) do echo > A%i.tmp

To control the file size, use the built in Fsutil tool instead of echoing into a new file:

    For /L %i in (1,1,100000) do fsutil file createnew A%i.tmp 4096

See also http://thebackroomtech.com/2009/01/16/howto-generate-many-files-of-a-particular-size-in-windows/

PowerShell Methods

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Vbscript Methods

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Third-party / External Tool Methods

Add methods here that use third-party tools or tools that are not included by default in Windows.