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slight refinement...
Authored by: gatorparrots on Jan 14, '04 08:19:20PM
The grep process is unnecessary in returning the status, as awk has its own pattern matching. Also, to get better output, you should print both the third and fourth fields, to handle "Not Supported" or other multi-word output:
diskutil info disk0 | awk '/SMART/ {print $3,$4}'

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