sbin/rcorder/rcorder-visualize.sh

   1 #!/bin/sh
   2 # $NetBSD: rcorder-visualize.sh,v 1.5 2009/08/09 17:08:53 apb Exp $
   3 #
   4 # Written by Joerg Sonnenberger.  You may freely use and redistribute
   5 # this script.
   6 #
   7 # Simple script to show the dependency graph for rc scripts.
   8 # Output is in the dot(1) language and can be rendered using
   9 #       sh rcorder-visualize | dot -T svg -o rcorder.svg
  10 # dot(1) can be found in graphics/graphviz in pkgsrc.
  11
  12 rc_files=${*:-/etc/rc.d/*}
  13
  14 {
  15 echo ' digraph {'
  16 for f in $rc_files; do
  17 < $f awk '
  18 /# PROVIDE: /   { provide = $3 }
  19 /# REQUIRE: /   { for (i = 3; i <= NF; i++) requires[$i] = $i }
  20 /# BEFORE: /    { for (i = 3; i <= NF; i++) befores[$i] = $i }
  21
  22 END {
  23         print "    \"" provide "\";"
  24         for (x in requires) print "    \"" provide "\"->\"" x "\";"
  25         for (x in befores) print "    \"" x "\"->\"" provide "\";"
  26 }
  27 '
  28 done
  29 echo '}'
  30 }