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ptrepack - Online in the Cloud

Run ptrepack in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command ptrepack that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


ptrepack - Copy any PyTables Leaf, Group or complete subtree into another file.

SYNOPSIS


ptrepack -h -v -o -R start,stop,step --non-recursive --dest-title=title
--dont-copyuser-attrs --overwrite-nodes --complevel=(0-9) --complib=lib --shuffle=(0|1)
--fletcher32=(0|1) --keep-source-filters --upgrade-flavors --dont-regenerate-old-indexes
sourcefile:sourcegroup destfile:destgroup

DESCRIPTION


Copy any Leaf, Group or complete subtree from a PyTables file into another file.

OPTIONS


A summary of options is included below.

-h Prints a help text.

-v Show more information.

-o Overwrite destination file.

-R RANGE
Select a RANGE of rows in the form start,stop,step during the copy of all the
leaves.

--non-recursive
Do not do a recursive copy. Default is to do it.

--dest-title=title
Title for the new file (if not specified, the source is copied).

--dont-copy-userattrs
Do not copy the user attrs (default is to do it).

--overwrite-nodes
Overwrite destination nodes if they exist. Default is not to overwrite them.

--complevel=(0-9)
Set a compression level (0 for no compression, which is the default).

--complib=lib
Set the compression library to be used during the copy. lib can be set to "zlib",
"lzo", "ucl" or "bzip2". Defaults to "zlib".

--shuffle=(0|1)
Activate or not the shuffling filter (default is active if complevel>0).

--fletcher32=(0|1)
Whether to activate or not the fletcher32 filter (not active by default).

--keep-source-filters
Use the original filters in source files. The default is not doing that if any of
--complevel, --complib, --shuffle or --fletcher32 option is specified.

--upgrade-flavors
When repacking PyTables 1.x files, the flavor of leaves will be unset. With this,
such a leaves will be serialized as objects with the internal flavor ("numpy" for
2.x series).

--dont-regenerate-old-indexes
Disable regenerating old indexes. The default is to regenerate old indexes as they
are found.

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