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UGU: Unix Guru Universe - Unix Tip #4389- March 18, 2025
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Unix Tip #4389- March 18, 2025
ANOTHER FILE REVERSAL
For those that don't have
the tac command, to reverse
a file in UNIX, you could use:
cat | awk '{ line[NR] = $0;} END
{for(i=NR;i>1;i--) print line[i] }'
This tip generously supported by: chandramohan_k@infy.com
NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.
LAST 5 TIPS
4388
- OOPS.. RM STAR
4387
- HOW MANY BITS?
4386
- DAILY BACKUP CHECK
4385
- OUTPUT A FILE IN REVERSE
4384
- USE DU TO FIND FILES
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