usage: h5repart [-v] [-V] [-[b|m] N[g|m|k]] [-family_to_sec2|-family_to_single] SRC DST
   -v     Produce verbose output
   -V     Print a version number and exit
   -b N   The I/O block size, defaults to 1kB
   -m N   The destination member size or 1GB
   -family_to_sec2   Deprecated version of -family_to_single (below)
   -family_to_single   Change file driver from family to the default single-file VFD (windows or sec2)
   SRC    The name of the source file
   DST    The name of the destination files
Sizes may be suffixed with 'g' for GB, 'm' for MB or 'k' for kB.
File family names include an integer printf format such as '%d'