Hi guys,
I get a difficulty to produce the desired output using awk. i want to
use for loop bash variable as the input to the awk variable
here is the illustrated input:
line_1
line_2
line_3
line_4
line_5
line_6
line_7
line_8
line_9
line_10
here is the desired output:
line_1
line_2
line_3
here is what i do:
cat input | for (( i=1;i<=3;i++ )); do gawk -v var=$i 'NR == var { print}'; done
but, the result is always:
line_1
i would be glad if somebody help me. Thanks.
Greetings,
Marco
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