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||General Commands Manual
nop - pretty-print graph file
nop [ -p? ] [ files ]
nop reads a stream of graphs and prints each in pretty-printed
(canonical) format on stdout. If no files are given, it reads from
The following options are supported:
- Produce no output - just check the input for valid DOT.
- Print usage information.
If any errors occurred while processing any input, such as a file not found or a
file containing illegal DOT, a non-zero exit value is returned. Otherwise,
zero is returned.