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#!/bin/sh
# $NetBSD: rcorder-visualize.sh,v 1.5 2009/08/09 17:08:53 apb Exp $
#
# Written by Joerg Sonnenberger. You may freely use and redistribute
# this script.
#
# Simple script to show the dependency graph for rc scripts.
# Output is in the dot(1) language and can be rendered using
# sh rcorder-visualize | dot -T svg -o rcorder.svg
# dot(1) can be found in graphics/graphviz in pkgsrc.
rc_files=${*:-/etc/rc.d/*}
{
echo ' digraph {'
for f in $rc_files; do
< $f awk '
/# PROVIDE: / { provide = $3 }
/# REQUIRE: / { for (i = 3; i <= NF; i++) requires[$i] = $i }
/# BEFORE: / { for (i = 3; i <= NF; i++) befores[$i] = $i }
END {
print " \"" provide "\";"
for (x in requires) print " \"" provide "\"->\"" x "\";"
for (x in befores) print " \"" x "\"->\"" provide "\";"
}
'
done
echo '}'
}
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