1#!/bin/rc 2 3if(! c: || ! test -f /n/c:/boot.ini) { 4 echo 'Could not find NT''s boot.ini on the first FAT disk.' 5 exit bad 6} 7 8if(test -f /n/c:/boot.p9) { 9 echo 'A Plan 9 backup already exists; will not edit boot.ini again.' 10 exit bad 11} 12 13if(! cp /n/c:/boot.ini /n/c:/boot.p9) { 14 echo 'Could not back up boot.ini; will not continue.' 15 exit bad 16} 17 18chmod +w /n/c:/boot.ini 19 20if(! grep -si '\[operating systems\]' /n/c:/boot.ini) { 21 echo 'Could not parse boot.ini.' 22 exit bad 23} 24 25if(grep -si 'Plan 9' /n/c:/boot.ini) { 26 p9file=`{grep 'Plan 9' /n/c:/boot.ini | sed 1q | sed 's/=.*//'} 27 if(! ~ $p9file [Cc]:'\'*) { 28 echo 'Unexpected Plan 9 entry in boot.ini already; not continuing.' 29 exit bad 30 } 31} 32 33if not { 34 p9file='c:\bootsect.p9' 35 echo 'c:\bootsect.p9 = "Plan 9 from Bell Labs" 36' >>/n/c:/boot.ini 37} 38 39p9file=/n/^`{echo $p9file | sed 's!\\!/!g'} 40 41 42if(dd -if /dev/$disk/plan9 -bs 512 -count 1 -of $p9file >/dev/null >[2]/dev/null) { 43 echo 'Plan 9 added to Windows NT boot menu.' 44 exit '' 45} 46 47echo 'Error copying Plan 9 boot sector to file.' 48exit bad 49