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File
split
and join (file span)
PeaZip
file split and join utility is
compatible with most file split applications; optionally PeaZip can
save a control file containing checksum or hash of each
volume and of
the original file, allowing file level
and volume level integrity check, wich will be ignored by other file
split utilities.
Splitting a file you can select the volume size form
a series of
pre-set sizes (floppy disk, typical mail attachment, CD, DVD...) or you
can customize it up to byte level.
Merging
back the split file, Pea will check this control file and give
a simple warning if it's not found, i.e. because the file was split by
other file split application, or cast an error message if not matching.
In this case the volume level granularity of the control algorithm
allows the user to know what are the corrupted volumes, this can be
useful in example if the user downloads again non-matching volumes only
rather than all volumes, significantly reducing the overhead of the
operation.
PeaZip offers different ways to split/join
files:
- From Explorer you can rightclick on a file and chose
to
split it from PeaZip's entry in SendTo or Context menu;
- Open PeaZip, chose "split file" or "join files" from
main menu and provide the input file name (provide the .001 filename
for merging back split files).
- Add a file to the archive's
layout; from "Options" tab select "split" as format and set
volume size and optional
integrity check algorithm.
- From archive layout composer you can click on a file
and select "split file" or "join files" form "Tools" in context menu.
If you are
splitting a file into multiple removable
media, PeaZip will be check if the media has enough free space for
storing the volumes, and will be
asked you to provide a new empty media each time the previous one is
full.
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