stream extract of cpio archive

extract cpio archive, split into parts.

create archive with split command, reassemble into stream with cat of all of parts in order.

example

cat usr-cpio-* | cpio -idv

cat usr-cpio-* assembles all parts into a stream

use pipe to cpio  | cpio

cpio options -idv 

-i means cpio put into reading mode, w/o other input option, will default to stdin
  stdin driven by cat command pipped to the cpio invocation.

-d  create directories, and recurse.

-v  verbose report to stdout (stdout for a -i instance is either silent, or verbose list of files

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