How to use the command "GetFileInfo" (with examples)

The “GetFileInfo” command is a Unix command used to retrieve information about a file in an HFS+ directory. It provides various options to display specific information about a file, such as its creation time, modification time, and creator.

Use case 1: Display information about a given file

Code:

GetFileInfo path/to/file

Motivation: This use case is useful when you need to quickly obtain general information about a specific file, such as its size, type, and file flags.

Explanation: The “GetFileInfo” command is followed by the path to the file that you want to retrieve information about. The command will display the general information of the file, including size, type, file flags, and other attributes.

Example output:

file: /path/to/file
attributes: avbstclinmedz
created: 04/25/2022 10:32:58
modified: 04/25/2022 13:18:47

Use case 2: Display the date and time a given file was created

Code:

GetFileInfo -d path/to/file

Motivation: This use case is helpful when you need to know the exact date and time a file was created, for auditing or documentation purposes.

Explanation: The “-d” option is used to specify that you want to retrieve the creation date and time of the file. The command is followed by the path to the file for which you want to retrieve this information.

Example output:

04/25/2022 10:32:58

Use case 3: Display the date and time a given file was last modified

Code:

GetFileInfo -m path/to/file

Motivation: When you want to track the last modification of a file, whether it is to ensure data integrity or to monitor changes made to a file, this use case will provide you with the necessary information.

Explanation: The “-m” option is used to indicate that you want to obtain the date and time the file was last modified. After the option, provide the path of the file for which you want to retrieve this information.

Example output:

04/25/2022 13:18:47

Use case 4: Display the creator of a given file

Code:

GetFileInfo -c path/to/file

Motivation: Sometimes, knowing the creator of a file is essential to understanding its origin or to troubleshoot issues related to specific applications.

Explanation: The “-c” option allows you to retrieve the creator information of a file. After specifying the option, provide the path of the file you want to retrieve the creator information for.

Example output:

appl

Conclusion:

The “GetFileInfo” command is a versatile tool for retrieving detailed information about files in an HFS+ directory. It provides options to display various attributes of a file, including its creation time, modification time, and creator. By utilizing these use cases, users can easily obtain the desired information about specific files, aiding in various tasks, such as auditing, tracking changes, and troubleshooting.