Action names: Auto-align Textures to Selection (X), Auto-align Textures to Selection (Y), Auto-align Textures to Selection (X and Y)
Found in: Preferences -> Controls -> Visual Modes
Default keys: none
These actions will align unselected textures to selected ones.
Let's say you have a room full of columns, and you want to align textures on all of them:
Select one sidedef of each column:
And use Auto-align Textures to Selection (X) action:
