Opening .rar files
Michael Wiktowy
michael.wiktowy at gmail.com
Mon Oct 29 20:40:38 UTC 2007
On 10/29/07, Robin Laing <Robin.Laing at drdc-rddc.gc.ca> wrote:
> I would love an open source program that does what RAR files do. With
> the addition of PAR2 files, the RAR files or compressed files can be
> repaired.
...
> The problem is RAR is used heavily in usenet. RAR is not only a
> compression tool but a splitter and a great archiving tool.
>
> FWIW, there is a rpm "par2cmdline" that generates and works with par2
> files. This is part of Fedora.
>From what I have read about rar, all the rar pieces are simply one
archive that has been binary chopped up into n pieces. You can do that
with any archive with the "split" command and then "cat" them back
together. I have done that to chop up a large disk image to avoid the
2GB/file limit on FAT32 external backup drives:
dd if=/dev/partition_to_be_read_from | gzip -c \
| split -b 2000m - /mnt/usb/image_name.img.gz.
Then to combine them:
cat /mnt/usb/image_name.img.gz.* \
| gzip -dc | dd of=/dev/partition_to_be_written_to
/Mike
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