Question

After using grep command, i will give you a small example

grep test

test this is first line : 1

test this is second line : 2

test this is third line : 3

test this is fourth line : 4

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How to filter the last line after grep command executed

finally i need the result 4

Answer 1

If I don’t misunderstand you:

$grep test | tail -1
>test this is fourth line : 4

$grep test | tail -1 | awk '{print $7}'
>4

$7 is ‘the seventh column’ in awk.