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UGU: Unix Guru Universe - Unix Tip #4518- July 24, 2024 - Home : Help : Today's Tip
Unix Tip #4518- July 24, 2024

LINE # OF A PATTERN

LINE # OF A PATTERN



If you are finding a
If you are finding a
particular pattern in
particular pattern in
a file and want to know
a file and want to know
in which line no. it is
in which line no. it is
present then give this
present then give this
command.
command.


grep -n "pattern" | cut -d":" -f1
grep -n "pattern" | cut -d":" -f1


e.g. Finding hello in
e.g. Finding hello in
hello.world file
hello.world file


grep -n "hello" hello.world | cut -d":" -f1
grep -n "hello" hello.world | cut -d":" -f1




This tip generously supported by: baivab.mitra@citicorp.com
This tip generously supported by: baivab.mitra@citicorp.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.

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.

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