wok annotate syslinux/stuff/iso2exe/iso2exe.sh @ rev 18670

taziso, iso2exe.sh: add custom config support ; awstat-hotspot, awesome, avant-window-navigator: update pre/post_install
author Pascal Bellard <pascal.bellard@slitaz.org>
date Fri Dec 04 21:23:22 2015 +0100 (2015-12-04)
parents 41c93f510464
children 857cceeac404
rev   line source
pascal@13691 1 #!/bin/sh
pascal@13691 2
pascal@13691 3 ddq()
pascal@13691 4 {
pascal@13691 5 dd $@ 2> /dev/null
pascal@13691 6 }
pascal@13691 7
pascal@13691 8 store()
pascal@13691 9 {
pascal@13691 10 n=$2; for i in $(seq 8 8 ${4:-16}); do
pascal@13691 11 printf '\\\\x%02X' $(($n & 255))
pascal@13691 12 n=$(($n >> 8))
pascal@13691 13 done | xargs echo -en | ddq bs=1 conv=notrunc of=$3 seek=$(($1))
pascal@13691 14 }
pascal@13691 15
pascal@13972 16 get()
pascal@13972 17 {
pascal@13972 18 echo $(od -j $(($1)) -N ${3:-2} -t u${3:-2} -An $2)
pascal@13972 19 }
pascal@13972 20
pascal@17476 21 compress()
pascal@17476 22 {
pascal@17489 23 if [ "$1" ]; then
pascal@17489 24 gzip -9 > $1
pascal@17489 25 [ "$(which advdef 2> /dev/null)" ] &&
pascal@17489 26 advdef -z4 $1 > /dev/null
pascal@17489 27 elif [ "$(which xz 2> /dev/null)" ]; then
pascal@17476 28 xz -z -e --format=lzma --lzma1=mode=normal --stdout
pascal@17476 29 else
pascal@17476 30 lzma e -si -so
pascal@17476 31 fi 2> /dev/null
pascal@17476 32 }
pascal@17476 33
pascal@14150 34 add_rootfs()
pascal@13691 35 {
pascal@13691 36 TMP=/tmp/iso2exe$$
pascal@13713 37 mkdir -p $TMP/bin $TMP/dev
pascal@17477 38 cp -a /dev/?d?* /dev/tty /dev/tty0 $TMP/dev
pascal@13691 39 $0 --get init > $TMP/init.exe
pascal@17489 40 # mount -o loop,ro $1 $TMP
pascal@17489 41 # oldslitaz="$(ls $TMP/boot/isolinux/splash.lss 2> /dev/null)"
pascal@17489 42 # umount -d $TMP
pascal@17489 43 # [ "$oldslitaz" ] && # for SliTaz <= 3.0 only...
pascal@17489 44 # grep -q mount.posixovl.iso2exe $TMP/init.exe &&
pascal@17489 45 # cp /usr/sbin/mount.posixovl $TMP/bin/mount.posixovl.iso2exe \
pascal@17489 46 # 2> /dev/null && echo "Store mount.posixovl ($(wc -c \
pascal@17489 47 # < /usr/sbin/mount.posixovl) bytes) ..."
pascal@17252 48 find $TMP -type f -print0 | xargs -0 chmod +x
pascal@17489 49 ( cd $TMP ; find * | cpio -o -H newc ) | compress $TMP/rootfs.gz
pascal@13691 50 SIZE=$(wc -c < $TMP/rootfs.gz)
pascal@13972 51 store 24 $SIZE $1
pascal@14261 52 OFS=$(( $OFS - $SIZE ))
pascal@17454 53 printf "Adding rootfs.gz file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@13691 54 cat $TMP/rootfs.gz | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@13691 55 rm -rf $TMP
pascal@14150 56 }
pascal@14150 57
pascal@14261 58 add_dosexe()
pascal@14261 59 {
pascal@17492 60 TMP=/tmp/bootiso$$
pascal@17492 61 $0 --get bootiso.bin > $TMP 2> /dev/null
pascal@17492 62 OFS=$(($(get 20 $TMP) - 0xC0))
pascal@17492 63 printf "Adding DOS/EXE stub at %04X (%d bytes) ...\n" $OFS $((0x8000 - $OFS))
pascal@17492 64 ddq if=$TMP bs=1 skip=$OFS of=$1 seek=$OFS conv=notrunc
pascal@17492 65 rm -f $TMP
pascal@14261 66 }
pascal@14261 67
pascal@14150 68 add_doscom()
pascal@14150 69 {
pascal@13972 70 SIZE=$($0 --get boot.com | wc -c)
pascal@13691 71 OFS=$(( $OFS - $SIZE ))
pascal@17454 72 printf "Adding DOS boot file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@13972 73 $0 --get boot.com | ddq of=$1 bs=1 seek=$OFS conv=notrunc
pascal@17810 74 store 64 $(($OFS+0xC0)) $1
pascal@14150 75 }
pascal@14150 76
pascal@18062 77 add_tazlito_info()
pascal@18062 78 {
pascal@18062 79 HOLE=$OFS
pascal@18062 80 [ $(get 0 $2) -eq 35615 ] || return
pascal@18062 81 zcat $2 | gzip -9 > /tmp/rezipped$$.gz
pascal@18062 82 [ "$(which advdef 2> /dev/null)" ] &&
pascal@18062 83 advdef -z4 /tmp/rezipped$$.gz > /dev/null
pascal@18062 84 n=$(stat -c %s /tmp/rezipped$$.gz)
pascal@18062 85 printf "Moving tazlito data record at %04X ($n bytes) ...\n" $OFS
pascal@18062 86 ddq if=/tmp/rezipped$$.gz bs=1 of=$1 seek=$OFS conv=notrunc
pascal@18062 87 HOLE=$(($HOLE+$n))
pascal@18062 88 rm -f /tmp/rezipped$$.gz
pascal@18062 89 }
pascal@18062 90
pascal@14150 91 add_win32exe()
pascal@14150 92 {
pascal@13974 93 SIZE=$($0 --get win32.exe 2> /dev/null | tee /tmp/exe$$ | wc -c)
pascal@17454 94 printf "Adding WIN32 file at %04X (%d bytes) ...\n" 0 $SIZE
pascal@14261 95 ddq if=/tmp/exe$$ of=$1 conv=notrunc
pascal@14261 96 printf "Adding bootiso head at %04X...\n" 0
pascal@14261 97 $0 --get bootiso.bin 2> /dev/null > /tmp/exe$$
pascal@14261 98 ddq if=/tmp/exe$$ of=$1 bs=128 count=1 conv=notrunc
pascal@14266 99 store $((0x94)) $((0xE0 - 12*8)) $1
pascal@14266 100 store $((0xF4)) $((16 - 12)) $1
pascal@14267 101 ddq if=$1 of=/tmp/coff$$ bs=1 skip=$((0x178)) count=$((0x88))
pascal@14267 102 ddq if=/tmp/coff$$ of=$1 conv=notrunc bs=1 seek=$((0x178 - 12*8))
pascal@17810 103 ddq if=/tmp/exe$$ of=$1 bs=1 count=24 seek=$((0x1A0)) skip=$((0x1A0)) conv=notrunc
pascal@17810 104 ddq if=$2 bs=1 skip=$((0x1B8)) seek=$((0x1B8)) count=72 of=$1 conv=notrunc
pascal@17810 105 store 417 $(($SIZE/512)) $1 8
pascal@14261 106 store 510 $((0xAA55)) $1
pascal@14267 107 rm -f /tmp/exe$$ /tmp/coff$$
pascal@17454 108 printf "Moving syslinux hybrid boot record at %04X (512 bytes) ...\n" $SIZE
pascal@14261 109 ddq if=$2 bs=1 count=512 of=$1 seek=$SIZE conv=notrunc
pascal@14261 110 OFS=$(($SIZE+512))
pascal@14257 111 }
pascal@14257 112
pascal@14257 113 add_fdbootstrap()
pascal@14257 114 {
pascal@14268 115 SIZE=$($0 --get bootfd.bin 2> /dev/null | wc -c)
pascal@14257 116 if [ $SIZE -ne 0 ]; then
pascal@17454 117 SIZE=$(( $SIZE - 512 )) # sector 2 is data
pascal@17454 118 OFS=$(( $OFS - $SIZE ))
pascal@17454 119 printf "Adding floppy bootstrap file at %04X (%d bytes) ...\n" $OFS $SIZE
pascal@14268 120 $0 --get bootfd.bin | \
pascal@14268 121 ddq of=$1 bs=1 count=512 seek=$OFS conv=notrunc
pascal@14268 122 $0 --get bootfd.bin | \
pascal@14268 123 ddq of=$1 bs=1 skip=1024 seek=$((512 + $OFS)) conv=notrunc
pascal@17810 124 store 26 $(($SIZE/512)) $1 8
pascal@14257 125 fi
pascal@14150 126 }
pascal@18670 127
pascal@18670 128 custom_config_sector()
pascal@18670 129 {
pascal@18670 130 echo $(($(get 32848 "$1" 4)+16))
pascal@18670 131 }
pascal@18670 132
pascal@18670 133 extract_custom_config()
pascal@18670 134 {
pascal@18670 135 ISO="$1"
pascal@18670 136 header=
pascal@18670 137 ddq bs=2k skip=$(custom_config_sector "$ISO") if="$ISO" | \
pascal@18670 138 while read line; do
pascal@18670 139 case "$line" in
pascal@18670 140 \#!boot*) header=1 ;;
pascal@18670 141 append=*) [ "$header" ] &&
pascal@18670 142 echo "${line#append=}" > "$ISO.append" &&
pascal@18670 143 ls -l "$ISO.append" ;;
pascal@18670 144 initrd:*) [ "$header" ] &&
pascal@18670 145 ddq bs=1 count=${line#initrd:} > "$ISO.initrd" &&
pascal@18670 146 ls -l "$ISO.initrd" ;;
pascal@18670 147 esac
pascal@18670 148 [ "$header" ] || break
pascal@18670 149 done
pascal@18670 150 }
pascal@14150 151 case "$1" in
pascal@14150 152 --build)
pascal@14150 153 shift
pascal@14261 154 ls -l $@
pascal@14150 155 cat >> $0 <<EOM
pascal@17476 156 $(tar cf - $@ | compress | uuencode -m -)
pascal@14150 157 EOT
pascal@14150 158 EOM
pascal@14150 159 sed -i '/^case/,/^esac/d' $0
pascal@14150 160 exit ;;
pascal@14150 161 --get)
pascal@14150 162 cat $2
pascal@14150 163 exit ;;
pascal@14150 164 --array)
pascal@14150 165 DATA=/tmp/dataiso$$
pascal@14150 166 ddq if=/dev/zero bs=32k count=1 of=$DATA
pascal@14261 167 add_win32exe $DATA $2 > /dev/null
pascal@14261 168 HSZ=$OFS
pascal@14261 169 add_dosexe $DATA > /dev/null
pascal@14150 170 add_rootfs $DATA > /dev/null
pascal@14150 171 add_doscom $DATA > /dev/null
pascal@14257 172 add_fdbootstrap $DATA > /dev/null
pascal@14257 173 name=${3:-bootiso}
pascal@17451 174 BOOTISOSZ=$((0x8000 - $OFS + $HSZ))
pascal@14150 175 cat <<EOT
pascal@14150 176
pascal@17451 177 #define $(echo $name | tr '[a-z]' '[A-Z]')SZ $BOOTISOSZ
pascal@14150 178
pascal@14150 179 #ifdef WIN32
pascal@14257 180 static char $name[] = {
pascal@17591 181 /* head */
pascal@14261 182 $(hexdump -v -n $HSZ -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@17591 183 /* tail */
pascal@14150 184 $(hexdump -v -s $OFS -e '" " 16/1 "0x%02X, "' -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' $DATA | sed 's/ 0x ,/ /g')
pascal@17591 185
pascal@17591 186 /* These strange constants are defined in RFC 1321 as
pascal@17591 187 T[i] = (int)(4294967296.0 * fabs(sin(i))), i=1..64
pascal@17591 188 */
pascal@17591 189 /* static const uint32_t C_array[64] */
pascal@17591 190 EOT
pascal@17591 191 while read a b c d; do
pascal@17591 192 for i in $a $b $c $d; do
pascal@17591 193 echo $i | sed 's/0x\(..\)\(..\)\(..\)\(..\),/0x\4, 0x\3, 0x\2, 0x\1, /'
pascal@17591 194 done
pascal@17591 195 done <<EOT
pascal@17591 196 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
pascal@17591 197 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
pascal@17591 198 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,
pascal@17591 199 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821,
pascal@17591 200 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa,
pascal@17591 201 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8,
pascal@17591 202 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed,
pascal@17591 203 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a,
pascal@17591 204 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c,
pascal@17591 205 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70,
pascal@17591 206 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05,
pascal@17591 207 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665,
pascal@17591 208 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039,
pascal@17591 209 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1,
pascal@17591 210 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1,
pascal@17591 211 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391,
pascal@17591 212 EOT
pascal@17591 213 cat <<EOT
pascal@17591 214 /* static const char P_array[64] */
pascal@17591 215 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, /* 1 */
pascal@17591 216 1, 6, 11, 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, /* 2 */
pascal@17591 217 5, 8, 11, 14, 1, 4, 7, 10, 13, 0, 3, 6, 9, 12, 15, 2, /* 3 */
pascal@17591 218 0, 7, 14, 5, 12, 3, 10, 1, 8, 15, 6, 13, 4, 11, 2, 9, /* 4 */
pascal@17591 219 /* static const char S_array[16] */
pascal@17591 220 7, 12, 17, 22,
pascal@17591 221 5, 9, 14, 20,
pascal@17591 222 4, 11, 16, 23,
pascal@17591 223 6, 10, 15, 21,
pascal@17451 224 EOT
pascal@17451 225
pascal@17451 226 for mode in data offset ; do
pascal@17451 227 ofs=0
pascal@17451 228 while read tag str; do
pascal@17451 229 if [ "$mode" == "data" ]; then
pascal@17451 230 echo -en "$str\0" | hexdump -v -e '" " 16/1 "0x%02X, "' \
pascal@17451 231 -e '" // %04.4_ax |" 16/1 "%_p" "| \n"' | \
pascal@17451 232 sed 's/ 0x ,/ /g'
pascal@17451 233 else
pascal@17451 234 if [ $ofs -eq 0 ]; then
pascal@17451 235 cat <<EOT
pascal@14150 236 };
pascal@17451 237 #else
pascal@17451 238 static char *$name;
pascal@14150 239 #endif
pascal@17591 240
pascal@17591 241 #define C_array (uint32_t *) ($name + $(($BOOTISOSZ)))
pascal@17591 242 #define P_array (char *) ($name + $(($BOOTISOSZ+(64*4))))
pascal@17591 243 #define S_array (char *) ($name + $(($BOOTISOSZ+(64*4)+64)))
pascal@17451 244 #define ELTORITOOFS 3
pascal@14150 245 EOT
pascal@17451 246 fi
pascal@17591 247 echo "#define $tag $(($BOOTISOSZ+(64*4)+64+16+$ofs))"
pascal@17451 248 ofs=$(($(echo -en "$str\0" | wc -c)+$ofs))
pascal@17451 249 fi
pascal@17451 250 done <<EOT
pascal@17451 251 READSECTORERR Read sector failure.
pascal@17810 252 USAGE Usage: isohybrid.exe file.iso [--forced|--undo|--quick]
pascal@17451 253 OPENERR Can't open r/w the iso file.
pascal@17451 254 ELTORITOERR No EL TORITO SPECIFICATION signature.
pascal@17451 255 CATALOGERR Invalid boot catalog.
pascal@17451 256 HYBRIDERR No isolinux.bin hybrid signature.
paul@17671 257 SUCCESSMSG Now you can create a USB key with your .iso file.\\\\nSimply rename it to an .exe file and run it.
pascal@17451 258 FORCEMSG You can add --forced to proceed anyway.
pascal@17591 259 MD5MSG Computing md5sum...
pascal@17591 260 UNINSTALLMSG Uninstall done.
pascal@17451 261 EOT
pascal@17451 262 done
pascal@14150 263 rm -rf $DATA
pascal@14150 264 exit ;;
pascal@14150 265 --exe)
pascal@14150 266 # --exe mvcom.bin x.com y.exe > xy.exe
pascal@14150 267 cat $4 $3 > /tmp/exe$$
pascal@14150 268 S=$(stat -c %s /tmp/exe$$)
pascal@14150 269 store 2 $(($S%512)) /tmp/exe$$
pascal@14150 270 store 4 $((($S+511)/512)) /tmp/exe$$
pascal@14150 271 store 14 -16 /tmp/exe$$
pascal@14150 272 store 16 -2 /tmp/exe$$
pascal@14150 273 store 20 256 /tmp/exe$$
pascal@14150 274 store 22 -16 /tmp/exe$$
pascal@14150 275 ddq if=$2 bs=1 seek=64 of=/tmp/exe$$ conv=notrunc
pascal@14150 276 store 65 $(stat -c %s $3) /tmp/exe$$
pascal@14150 277 store 68 $((0x100-0x40+$(stat -c %s $4))) /tmp/exe$$
pascal@14150 278 cat /tmp/exe$$
pascal@14150 279 rm -f /tmp/exe$$
pascal@14150 280 exit ;;
pascal@14150 281 esac
pascal@14150 282
pascal@14150 283 main()
pascal@14150 284 {
pascal@14257 285 [ $(id -u) -ne 0 ] && exec su -c "$0 $@" < /dev/tty
pascal@18670 286 append=
pascal@18670 287 initrd=
pascal@18670 288 while [ "$1" ]; do
pascal@18670 289 case "${1/--/-}" in
pascal@18670 290 -get) shift
pascal@18670 291 uudecode | unlzma | tar xOf - $@
pascal@18670 292 exit ;;
pascal@18670 293 -a*) append="$2" ; shift 2 ;;
pascal@18670 294 -i*) initrd="$2" ; shift 2 ;;
pascal@18670 295 -e*) extract_custom_config "$2"
pascal@18670 296 exit ;;
pascal@18670 297 *) cat > /dev/null
pascal@18670 298 break
pascal@18670 299 esac
pascal@18670 300 done
pascal@14150 301
pascal@18670 302 [ ! -s "$1" ] && cat 1>&2 <<EOT && exit 1
pascal@18670 303 usage: $0 [--append custom_cmdline ] [ --initrd custom_initramfs ] image.iso [--undo|"DOS help message"]
pascal@18670 304 or: $0 --extract-custom-config image.iso
pascal@18670 305 EOT
pascal@17451 306 case "${2/--/-}" in
pascal@17451 307 -u*|-r*|-w*)
pascal@17451 308 case "$(get 0 $1)" in
pascal@17451 309 23117)
pascal@18063 310 b=$(get 417 $1 1)
pascal@18063 311 n=$(($(get 64 $1) + 0xC0 - ($(get 26 $1 1)*512) - ($b+1)*512))
pascal@18063 312 ddq if=$1 bs=512 count=1 skip=$b of=$1 conv=notrunc
pascal@18063 313 ddq if=/dev/zero bs=512 seek=1 count=1 of=$1 conv=notrunc
pascal@18063 314 ddq if=$1 bs=512 seek=2 count=30 skip=$(($b+1)) of=$1 conv=notrunc
pascal@18063 315 ddq if=/dev/zero bs=1 seek=$n count=$((0x8000 - $n)) of=$1 conv=notrunc ;;
pascal@17451 316 *) ddq if=/dev/zero bs=1k count=32 of=$1 conv=notrunc ;;
pascal@17451 317 esac
pascal@17451 318 exit 0
pascal@17451 319 esac
pascal@14150 320 case "$(get 0 $1)" in
pascal@14150 321 23117) echo "The file $1 is already an EXE file." 1>&2 && exit 1;;
pascal@17812 322 0) [ -x /usr/bin/isohybrid ] && isohybrid $1;;
pascal@14150 323 esac
pascal@14150 324
pascal@14261 325 echo "Read hybrid & tazlito data..."
pascal@14261 326 ddq if=$1 bs=512 count=1 of=/tmp/hybrid$$
pascal@14261 327 ddq if=$1 bs=512 skip=2 count=20 of=/tmp/tazlito$$
pascal@14261 328 add_win32exe $1 /tmp/hybrid$$
pascal@18062 329 add_tazlito_info $1 /tmp/tazlito$$
pascal@14261 330 rm -f /tmp/tazlito$$ /tmp/hybrid$$
pascal@14150 331
pascal@14150 332 # keep the largest room for the tazlito info file
pascal@14261 333 add_dosexe $1
pascal@14150 334 add_rootfs $1
pascal@14150 335 add_doscom $1
pascal@14257 336 add_fdbootstrap $1
pascal@17454 337 printf "%d free bytes in %04X..%04X\n" $(($OFS-$HOLE)) $HOLE $OFS
pascal@17810 338 store 440 $(date +%s) $1 32
pascal@17562 339 [ "$2" ] && echo "$2 " | \
pascal@17562 340 ddq bs=1 seek=$((0x7FDE)) count=15 conv=notrunc of=$1
pascal@17562 341 if [ $(stat -c %s $1) -gt 34816 ]; then
pascal@17562 342 echo "Adding ISO image md5 at 7FF0 (16 bytes) ..."
pascal@17591 343 echo -en "$(ddq if=$1 bs=2k skip=16 count=$(get 32848 $1 4) | \
pascal@17562 344 md5sum | cut -c-32 | sed 's/\(..\)/\\x\1/g')" | \
pascal@17562 345 ddq bs=16 seek=2047 conv=notrunc of=$1
pascal@17496 346 fi
pascal@17496 347 echo -n "Adding boot checksum..."
pascal@17496 348 if [ $(stat -c %s $1) -gt 32768 ]; then
pascal@17496 349 n=$(($(get 2 $1) - 1 + ($(get 4 $1) - 1)*512))
pascal@17496 350 n=$(($(od -v -N $n -t u2 -w2 -An $1 | \
pascal@17496 351 awk '{ i+= $0 } END { print (i % 65536) }') \
pascal@17496 352 + $(get $(($n+1)) $1 1)))
pascal@17496 353 store 18 $(( (-$n -1) % 65536 )) $1
pascal@17496 354 fi
pascal@13697 355 echo " done."
pascal@18670 356 if [ "$append$initrd" ]; then
pascal@18670 357 echo -n "Adding custom config... "
pascal@18670 358 DATA=/tmp/$0$$
pascal@18670 359 rm -f $DATA > /dev/null
pascal@18670 360 isosz=$(stat -c %s $ISO)
pascal@18670 361 [ "$append" ] && echo "append=$append" >> $DATA
pascal@18670 362 [ -s "$initrd" ] && echo "initrd:$(stat -c %s $initrd)" >> $DATA &&
pascal@18670 363 cat $initrd >> $DATA
pascal@18670 364 echo "#!boot $(md5sum $DATA | sed 's/ .*//')" | cat - $DATA | \
pascal@18670 365 ddq bs=2k seek=$(custom_config_sector $ISO) of=$ISO conv=notrunc
pascal@18670 366 if [ $(stat -c %s $ISO) -gt $isosz ]; then
pascal@18670 367 echo "$(($isosz - $(stat -c %s $ISO))) extra bytes."
pascal@18670 368 else
pascal@18670 369 echo "$(($isosz - 32768 - 2048*$(get 32848 $ISO 4)
pascal@18670 370 - $(stat -c %s $DATA) - 24)) bytes free."
pascal@18670 371 fi
pascal@18670 372 rm -f $DATA > /dev/null
pascal@18670 373 fi
pascal@13691 374 }
pascal@13691 375
pascal@13691 376 main $@ <<EOT