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ptrepack

PTREPACK(1)						      General Commands Manual						       PTREPACK(1)

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) --com-
       plib=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     Overwite 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.

SEE ALSO

       ptdump(1).
       These utilities are documented fully by PyTables user's manual.

AUTHOR

       This manual page was written by Francesc Altet <faltet@carabos.com>.

								   July 7, 2007 						       PTREPACK(1)