NOP(1)

NAME
nop - pretty-print graph file

SYNOPSIS
nop [ -p? ] [ files ]

DESCRIPTION
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, a non-zero exit value is returned. Otherwise, zero is returned.

SEE ALSO
wc(1), acyclic(1), gvpr(1), gvcolor(1), ccomps(1), sccmap(1), tred(1), libgraph(3)