utils-dev/uuid.sh

   1 #!/bin/sh
   2 # ---------------------------------------------------------------------------
   3 # Multi-Phasic Applications: SquirrelJME
   4 #     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 #     Copyright (C) Multi-Phasic Applications <multiphasicapps.net>
   6 # ---------------------------------------------------------------------------
   7 # SquirrelJME is under the GNU General Public License v3, or later.
   8 # See license.mkd for licensing and copyright information.
   9 # ---------------------------------------------------------------------------
  10 # DESCRIPTION: Creates a UUID.
  11
  12 # Force C locale
  13 export LC_ALL=C
  14
  15 # Directory of this script
  16 __exedir="$(dirname -- "$0")"
  17
  18 # One UUID command?
  19 if which uuidgen 2>&1 > /dev/null
  20 then
  21         uuidgen
  22
  23 # Another command
  24 elif which uuid 2>&1 > /dev/null
  25 then
  26         uuid
  27
  28 # Otherwise make something up, use random data source
  29 else
  30         __num="$("$__exedir/random.sh" 16)"
  31         echo "$__num" | \
  32                 sed 's/\(.\{8\}\)\(....\)\(....\)\(....\)\(.\{12\}\)/\1-\2-\3-\4-\5/g'
  33 fi