Managing metadata with ExifTool
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Managing metadata with ExifTool

Learn how to read and write metadata with ExifTool, from installation to advanced topics
5.0 (1 rating)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
10 students enrolled
Created by Gary McGath
Last updated 2/2016
English
Current price: $15 Original price: $30 Discount: 50% off
30-Day Money-Back Guarantee
Includes:
  • 1 hour on-demand video
  • 11 Supplemental Resources
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Install and run ExifTool.
  • Analyze and extract metadata from digital documents with ExifTool commands.
  • Obtain reports on file metadata in a variety of formats.
  • Copy metadata betwen documents or to and from "sidecar" metadata files.
  • Set up conditional operations and scripting in ExifTool.
View Curriculum
Requirements
  • You need to have a computer on which you can use the command line interpreter and install and run ExifTool.
  • You should have a collection of scratch data files, such as images, that you can experiment with.
Description

ExifTool is a powerful and versatile software tool for extracting metadata from many different kinds of files, as well as editing it. It's free and open-source, but it's also complicated and takes some effort to learn. This course starts with how to download and install the software, then goes on to how to view metadata in various ways and how to edit it. Beyond that, it covers advanced topics including configuration, copying data between files, conditional operations, and scripting. It looks briefly at the ExifTool Perl API and at ways to invoke ExifTool from other programming languages.

This course will especially benefit students and professionals in digital preservation and digital forensics. It discusses a real-life case study in using ExifTool to discover why a car player had trouble with certain MP3 files.

PDF resources give extensive and exact information on how to do the tasks shown in the lectures, as well as links to external resources.

Students taking this course should be familiar with a command line interface, such as the command shells on Unix, Linux, and OS X. You should be comfortable with doing simple software installation. Ability to write computer code isn't required, though knowledge of Perl is helpful for the more advanced topics.

Interaction is an important part of any course I offer, and I promise to be available for questions.

Who is the target audience?
  • Students should have a serious interest in ExifTool as a file analysis or modification tool.
  • You should be familiar with file metadata and have reasonable command line skills, but programming skills aren't needed.
  • Serious students will learn a lot, but casual computer users may find it hard going.
Curriculum For This Course
13 Lectures
01:08:57
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Introduction
2 Lectures 08:13

An overview of the capabilities and practical uses of ExifTool. This lecture, available as a free preview, outlines the scope of the course and will help you to decide whether ExifTool will serve your purposes.

Preview 04:28

How to download and install ExifTool, and what the system requirements are.

Installing ExifTool
03:45
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ExifTool Basics
5 Lectures 28:36

In this lecture you'll learn how to enter ExifTool commands, read all or just some of the metadata in a file, and use various viewing options.

Preview 05:59

A real-life example of using ExifTool to uncover a product defect. You'll see how ExifTool can be used together with other software tools to identify patterns in files that software handles incorrectly.

Preview 03:43

Ways to export data using tables, CSV, XML, JSON, and other options. You'll learn how to use raw values, format dates, handle missing values, and use group headings.

Exporting data
06:25

How to add, modify, and delete tags with ExifTool. You'll learn the syntax for these operations and the limits which ExifTool imposes. Operating on tag groups and specifying exceptions.Working with tags that have value lists.

Modifying data
08:32

A review of the principal concepts covered so far: tags, options, lists, groups, shortcuts, value assignment.

Review
03:57
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Advanced topics
5 Lectures 29:21

How to work with an ExifTool configuration file. It's actually Perl code, but some things are fairly easy to do.

Configuring ExifTool
06:59

Using ExifTool to copy tags from one docuent file to another, between a document and a sidecar file, or between sets of files.

Copying tags
05:11

How to use the "if" option to perform commands conditionally, based on existing tags. How to write logical expressions and comparisons.

If
05:32

How to use argument files, run multiple commands in one line (execute), and run ExifTool continuously from an input source (stay_open).

Scripting
07:20

A brief look at using ExifTool as a Perl library and invoking it from other programming languages.

The ExifTool API
04:19
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Conclusion
1 Lecture 02:47

How to continue learning about ExifTool. Resources available on the ExifTool site and elsewhere.

Wrapping up
02:47
About the Instructor
Gary McGath
5.0 Average rating
3 Reviews
35 Students
3 Courses
Software Engineer

I'm an experienced software developer with a strong background in Java, library software, and digital preservation. For eight years I was a software engineer for the Harvard Library. I wrote the bulk of the code for JHOVE, a file identification and analysis tool widely used by libraries and archives. My written work includes the e-book Files that Last and the blog Mad File Format Science.