nop1

Usage

Overview

nop reads a stream of graphs and prints each in pretty-printed (canonical) format on stdout. If no files are given, it reads from stdin.

Options

The following options are supported:

-p

Produce no output - just check the input for valid DOT.

-?

Print usage information.

Exit status

If any errors occurred while processing any input, such as a file not found or a file containing illegal DOT, EXIT_FAILURE is returned. Otherwise EXIT_SUCCESS is returned.