Here are two handy tips for working in text editors, guaranteed to increase your productivity.
Lewis writes:
Holding alt whilst dragging in the mouse in a cocoa text editor will change the cursor to a crosshair and allow you to ‘block’ select text in a square. This is particularly useful when working with tabular data.
As Lewis notes, this is a handy tip when working with tabular data and also when removing the first a column of characters in a text block.
This works in most text applications, including TextEdit and Word. Unfortunately there are some other text editors that don’t seem to support this, like ecto and TextMate (Update: It looks like in TextMate you press ALT once. Thanks everyone!).
This is what selecting columns of text looks like:

Another useful way to work with text is by increasing or decreasing the indentation.
