Trabla: How To Batch Resize Images Using Automator On Mac OS
Automator is an application developed by Apple Inc. for macOS that implements
point-and-click (or drag and drop) creation of workflows for automating repetitive tasks
into batches for quicker alteration, thus saving time and effort over human intervention to
manually change each file separately.
Automator enables the repetition of tasks across
a wide variety of programs, including Finder, Safari, Calendar, Contacts and others.
It can also work with third-party applications such as Microsoft Office, Adobe Photoshop
or Pixelmator. The icon features a robot holding a pipe, a reference to pipelines,
a computer science term for connected data workflows.
Automator was first released with Mac OS X Tiger (10.4).
Automator provides a graphical user interface for automating
tasks without knowledge of programming or scripting languages.
Tasks can be recorded as they are performed by the user or can be selected from a list.
The output of the previous action can become the input to the next action.
Automator comes with a library of Actions (file renaming, finding linked images,
creating a new mail message, etc.) that act as individual steps in a Workflow document.
A Workflow document is used to carry out repetitive tasks.
Workflows can be saved and reused.
Unix command line scripts and AppleScripts can also be invoked as Actions.
The actions are linked together in a Workflow.
The Workflow can be saved as an application,
Workflow file or a contextual menu item.
Options can be set when the Workflow is created or when the Workflow is run.
A workflow file created in Automator is saved in /Users/{User Name}/Library/Services.
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