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NetBSD 6.1.5 - man page for uuidgen (netbsd section 1)

UUIDGEN(1)			   BSD General Commands Manual			       UUIDGEN(1)

NAME
     uuidgen -- generate universally unique identifiers

SYNOPSIS
     uuidgen [-1s] [-n count] [-o filename]

DESCRIPTION
     The uuidgen utility by default generates a single universally unique identifier (UUID), also
     known as a globally unique identifier (GUID).  By default, uuidgen generates a single UUID
     and outputs it in the standard string representation to stdout.  The following options can
     be used to change the behavior of uuidgen:

	   -1		  This option only has effect if multiple identifiers are to be generated
			  and instructs uuidgen to not generate them in batch, but one at a time.

	   -n count	  This option controls the number of identifiers generated.  By default,
			  multiple identifiers are generated in batch.

	   -o filename	  Redirect output to filename instead of stdout.

	   -s		  Output UUIDs as initialized C structures, rather than in the standard
			  string format.

     Batched generation yields a dense set of identifiers in such a way that there is no identi-
     fier that is larger than the smallest identifier in the set and smaller than the largest
     identifier in the set and that is not already in the set.

     When generating the identifiers one at a time, the identifiers will be close to each other,
     but operating system latency and processing time will be reflected in the distance between
     two successive identifiers.

DIAGNOSTICS
     The uuidgen utility exits 0 on success, and >0 if an error occurs.

SEE ALSO
     uuidgen(2), uuid(3)

HISTORY
     The uuidgen command first appeared in NetBSD 3.0.

BSD					September 13, 2004				      BSD


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