dd command to copy a cd to a hard disk - Input/output error
cottmain at yahoo.com.au
Mon Apr 1 14:40:37 EST 2002
Thanks to Simon, Brett, Tomasz and others for replies. Yes your script fix
worked well thanks. Now I've got the info I wonder what it all means!
I wanted to find out the correct block size to put into the 'dd' command
... does anything stand out to you as block size?
Anyway thanks very much for your help,
(in the mean time I have been checking cds given to me by using 'dd
if=/dev/cdrom | md5sum' and finding that supposedly exact copies give
different checksums .... could this be their M$o/s burner software 'feature'?)
++++++++++++++cd info script -
for i in 32768,7 32776,32 32808,32 32958,128 33086,128 33214,128
33342,128 33470,32 33581,16 33598,16 33615,16 33632,16;
set -- $i
echo "*`dd if=$RD bs=1 skip=$OFFSET count=$LENGTH 2> /dev/null`#"
*MKISOFS ISO 9660/HFS FILESYSTEM BUILDER & CDRECORD CD-R/DVD CREATOR (C)
1993 E.YOUNGDALE (C) 1997 J.PEARSON/J.SCHILLING #
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