New-FileCatalog
Creates a Windows catalog file containing cryptographic hashes for files and folders in the specified paths.
Syntax
New-FileCatalog
[-CatalogVersion <Int32>]
[-CatalogFilePath] <String>
[[-Path] <String[]>]
[-WhatIf]
[-Confirm]
[<CommonParameters>]
Description
This cmdlet is only available on the Windows platform.
New-FileCatalog
creates a Windows catalog file
for a set of folders and files. This catalog file contains hashes for all files in the provided
paths. Users can then distribute the catalog with their files so that users can validate whether any
changes have been made to the folders since catalog creation time.
Catalog versions 1 and 2 are supported. Version 1 uses the (deprecated) SHA1 hashing algorithm to create file hashes, and version 2 uses SHA256.
Examples
Example 1: Create a file catalog for `Microsoft.PowerShell.Utility`
$newFileCatalogSplat = @{
Path = "$PSHOME\Modules\Microsoft.PowerShell.Utility"
CatalogFilePath = '\temp\Microsoft.PowerShell.Utility.cat'
CatalogVersion = 2.0
}
New-FileCatalog @newFileCatalogSplat
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 11/2/2018 11:58 AM 950 Microsoft.PowerShell.Utility.cat
Parameters
-CatalogFilePath
The location and name of the catalog file (.cat
) you are creating. If you specify only a folder
path, the command creates a file named catalog.cat
in that location.
Type: | String |
Position: | 0 |
Default value: | None |
Required: | True |
Accept pipeline input: | True |
Accept wildcard characters: | False |
-CatalogVersion
Accepts 1.0
or 2.0
as possible values for specifying the catalog version. 1.0
should be
avoided whenever possible because it uses the insecure SHA-1 hash algorithm. Version 2.0
uses the
secure SHA-256 algorithm.
Type: | Int32 |
Position: | Named |
Default value: | None |
Required: | False |
Accept pipeline input: | False |
Accept wildcard characters: | False |
-Confirm
Prompts you for confirmation before running the cmdlet.
Type: | SwitchParameter |
Aliases: | cf |
Position: | Named |
Default value: | False |
Required: | False |
Accept pipeline input: | False |
Accept wildcard characters: | False |
-Path
Accepts a path or array of paths to files or folders that should be included in the catalog file. If a folder is specified, the command includes all files in the folder.
Type: | String[] |
Position: | 1 |
Default value: | None |
Required: | False |
Accept pipeline input: | True |
Accept wildcard characters: | False |
-WhatIf
Shows what would happen if the cmdlet runs. The cmdlet is not run.
Type: | SwitchParameter |
Aliases: | wi |
Position: | Named |
Default value: | False |
Required: | False |
Accept pipeline input: | False |
Accept wildcard characters: | False |
Inputs
You can pipe a string that's used as the catalog filename to this cmdlet.
Outputs
This cmdlet returns a FileInfo object representing the created catalog.
Notes
This cmdlet is only available on Windows platforms.