Shortcuts
Textastic adds two actions to Apple’s Shortcuts app: “Get File” and “Open File”.
Get File
With this action, you can get the contents of any file available in Textastic. You can enter the path of a file in Local Files, iCloud and external folders.
Open File
Use this action to open an existing file in Textastic.
Path Parameter
To easily get the correct value for the path parameter, you can open the context menu of a file in Textastic and select “Copy Path”: