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Submitted by:
lvo |
coolcommand
how to create a tar archive that splits itself on the fly |
Description
Sometimes, we create a tar archive, and need to split it into smaller chunks so that it can be burned onto CD/DVD. The straightforward approach is to create the archive and then use ’split.’ To do this, you will need more free space on your disk. In fact, you’ll need space twice the size of the created archive. To avoid this limitation, split the archive as it is being created.
To create a tar archive that splits itself on the fly use the following set of commands:
First create the archive:
# tar -cz $(DIRECTORY_OR_FILE_TO_COMPRESS) | split -d -b $(CHUNK_SIZE_IN_BYTES) - $(FILE_NAME_PREFIX)
To extract the contents:
# cat $(FILE_NAME_PREFIX)* | tar -xz |
Example
tar -cz MyBigDir | split -d -b 650000000 - tarpart; cat tarpart* | tar -xz |
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Monday September 6, 2010
