fmt

A simple text formatter Accepts either files or stdin.

Option Description
-c Operate in crown margin mode. Preserve indentation of first
2 lines
-p string Format only lines beginning with prefix string. After
formatting, the contents of string are prefixed to each
reformatted line.
-s Split-only mode. Lines only split to fit specified column width.
-u Perform uniform spacing. Applies traditional typewriter-style
formatting. A single space between words and two spaces between
sentences. Useful for removing “justifiation.”
-w width Format text to fit within a colum width characters wide.
Default is 75.

fmt Options