This is the command acyclic that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
acyclic - make directed graph acyclic
SYNOPSIS
acyclic [ -nv? ] [ -o outfile ] [ file ]
DESCRIPTION
acyclic is a filter that takes a directed graph as input and outputs a copy of the graph
with sufficient edges reversed to make the graph acyclic. The reversed edge inherits all
of the attributes of the original edge. The optional file argument specifies where the the
input graph is stored; by default, the program reads from stdin.
OPTIONS
The following options are supported:
-n No output is produced, though the return value will indicate whether the graph is
acyclic or not.
-v Print information about whether the file is acyclic, has a cycle or is undirected.
-o outfile
causes the output to be written to the specified file; by default, output is
written to stdout.
-? option causes the program to print usage information.
RETURN CODES
acyclic returns 0 if the graph is acyclic; 1 if the graph has a cycle; 2 if the graph is
undirected; and 255 if there are any errors.
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