コードの変更について

このサイトのスクリプトを使いたいのですが現在ArchはInitはサポートされておらずsystemdのみなので、systemdで動作するように変更したいです。
多分bashのchangeを変更すれば同じ動作になると思うのですがスクリプトがまだまだ未熟なので知恵を貸してもらいたいです。

change
1# source application-specific settings
2[ -f /etc/conf.d/privoxy ] && . /etc/conf.d/privoxy
3. /etc/rc.conf
4. /etc/rc.d/functions

bash
1#!/bin/bash
2# source application-specific settings
3[ -f /etc/conf.d/privoxy ] && . /etc/conf.d/privoxy
4. /etc/rc.conf
5. /etc/rc.d/functions
6#PID=`pidof -o %PPID /usr/sbin/privoxy`
7start() {
8  stat_busy "Starting Privoxy, squid, havp"
9  chown privoxy:privoxy /var/log/privoxy
10  # create missing logfiles
11  for i in logfile jarfile; do 
12      touch /var/log/privoxy/$i
13      chgrp $PRIVOXY_GROUP /var/log/privoxy/$i
14      chmod 660 /var/log/privoxy/$i
15  done
16  chown privoxy:privoxy /var/log/privoxy2
17  # create missing logfiles
18  for i in logfile jarfile; do 
19      touch /var/log/privoxy2/$i
20      chgrp $PRIVOXY_GROUP /var/log/privoxy2/$i
21      chmod 660 /var/log/privoxy2/$i
22  done
23  chown privoxy:privoxy /var/log/privoxy3
24  # create missing logfiles
25  for i in logfile jarfile; do 
26      touch /var/log/privoxy3/$i
27      chgrp $PRIVOXY_GROUP /var/log/privoxy3/$i
28      chmod 660 /var/log/privoxy3/$i
29  done
30chown privoxy:privoxy /var/log/privoxy4
31  # create missing logfiles
32  for i in logfile jarfile; do 
33      touch /var/log/privoxy4/$i
34      chgrp $PRIVOXY_GROUP /var/log/privoxy4/$i
35      chmod 660 /var/log/privoxy4/$i
36  done
37   chown privoxy:privoxy /var/log/privoxy5
38  # create missing logfiles
39  for i in logfile jarfile; do 
40      touch /var/log/privoxy5/$i
41      chgrp $PRIVOXY_GROUP /var/log/privoxy5/$i
42      chmod 660 /var/log/privoxy5/$i
43  done
44  
45    chown privoxy:privoxy /var/log/privoxy6
46  # create missing logfiles
47  for i in logfile jarfile; do 
48      touch /var/log/privoxy6/$i
49      chgrp $PRIVOXY_GROUP /var/log/privoxy6/$i
50      chmod 660 /var/log/privoxy6/$i
51  done
52  chown privoxy:privoxy /var/log/privoxy7
53  # create missing logfiles
54  for i in logfile jarfile; do 
55      touch /var/log/privoxy7/$i
56      chgrp $PRIVOXY_GROUP /var/log/privoxy7/$i
57      chmod 660 /var/log/privoxy7/$i
58  done
59    chown privoxy:privoxy /var/log/privoxy8
60  # create missing logfiles
61  for i in logfile jarfile; do 
62      touch /var/log/privoxy8/$i
63      chgrp $PRIVOXY_GROUP /var/log/privoxy8/$i
64      chmod 660 /var/log/privoxy8/$i
65  done
66#[ -z "$PID" ] && /usr/sbin/privoxy $PRIVOXY_ARGS 2>/dev/null
67  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy.pid /etc/privoxy/config
68  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy2.pid /etc/privoxy/config2
69  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy3.pid /etc/privoxy/config3
70  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy4.pid /etc/privoxy/config4
71  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy5.pid /etc/privoxy/config5
72  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy6.pid /etc/privoxy/config6
73  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy7.pid /etc/privoxy/config7
74  /usr/sbin/privoxy $PRIVOXY_ARGS --pidfile /var/run/privoxy8.pid /etc/privoxy/config8
75  havp -c /etc/havp/havp.config  
76  
77  squid -f /etc/squid/squid-in.conf -DYC
78  squid -f /etc/squid/squid-out.conf -DYC
79  
80  if [ $? -gt 0 ]; then
81    stat_fail
82  else
83    add_daemon privoxy
84    stat_done
85  fi
86}
87stop() {
88  stat_busy "Stopping Privoxy, Squid, Havp"
89  #[ ! -z "$PID" ]  && kill $PID &> /dev/null
90  killall privoxy
91  killall squid
92  killall havp
93  
94  if [ $? -gt 0 ]; then
95    stat_fail
96  else
97    rm_daemon privoxy
98    stat_done
99  fi
100}
101case "$1" in
102  start)
103    start
104    ;;
105  stop)
106    stop
107    ;;
108  restart)
109    $0 stop
110    sleep 1
111    $0 start
112    ;;
113  *)
114    echo "usage: $0 {start|stop|restart}"  
115esac
116exit 0