04-20-2018
man pages frequently help.
man sort:
Quote:
-k, --key=KEYDEF
sort via a key; KEYDEF gives location and type
.
.
.
-t, --field-separator=SEP
use SEP instead of non-blank to blank transition
so
-t. use dot as field separator
-k2,2r first sort key: 2. field, reverse sort
-k4,4 next key: fourth field
etc.
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Original File
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Need Output
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