uuidgen

Generate a Unique ID (UUID/GUID)

Syntax 
      uuidgen [-hdr]

Key
   -hdr      Emit CoreFoundation CFUUID-based source code for using the uuid in a header.

The UUID is printed to standard output as a hyphen-punctuated ASCII string of the form:
EEF45689-BBE5-4FB6-9E80-41B78F6578E2
(in printf(3) format "%08X-%04X-%04X-%04X-%012X"),
unless the -hdr option is given, in which case a fragment of source code is output.

“Be an individual. Be unique. Stand out. Make noise. Make someone notice” ~ Jon Bon Jovi

Related:

uuidgen man page - Apple.com
set - Set a shell variable = value


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