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some fixes in the README

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josch 2013-04-11 10:25:31 +02:00
parent a03020515f
commit ba701d1979
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8
README.md
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@ -18,15 +18,15 @@ Usage
make make
echo "0 1\n0 2\n1 0\n1 3\n2 0\n3 0\n3 1\n3 2" | ./circuits_hawick 4 echo "0 1\n0 2\n1 0\n1 3\n2 0\n3 0\n3 1\n3 2" | ./circuits_hawick 4
First argument is the number of vertices. Subsequent arguments are ordered First argument is the number of vertices. Ordered pairs of space separated
pairs of comma separated vertices that make up the directed edges of the vertices are given via standard input and make up the directed edges of the
graph. graph.
DOT file input DOT file input
-------------- --------------
For simplicity, there is no DOT file parser included but the following allows For simplicity, there is no DOT file parser included but the following allows
to create a suitable argument string for simple DOT graphs. to create a suitable argument string and standard input for simple DOT graphs.
Given a DOT file of a simple (no labels, colors, styles, only pairs of Given a DOT file of a simple (no labels, colors, styles, only pairs of
vertices...) directed graph, the following lines generate the number of vertices...) directed graph, the following lines generate the number of
@ -35,7 +35,7 @@ vertices as well as the edge list expected on standard input.
sed -n -e '/^\s*[0-9]\+;$/p' graph.dot | wc -l sed -n -e '/^\s*[0-9]\+;$/p' graph.dot | wc -l
sed -n -e 's/^\s*\([0-9]\) -> \([0-9]\);$/\1 \2/p' graph.dot sed -n -e 's/^\s*\([0-9]\) -> \([0-9]\);$/\1 \2/p' graph.dot
The above line works on DOT files like the following: The above lines work on DOT files like the following:
digraph G { digraph G {
0; 0;