Revisions to How to capture the first IP address from a ifconfig command?

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edited Feb 27, 2018 at 19:40

Awk solution:

ifconfig -a | awk ' NR==2 'NR==2{ sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

Awk solution:

ifconfig -a | awk ' NR==2 { sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

Awk solution:

ifconfig -a | awk 'NR==2{ sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

added 2 characters in body

edited Feb 27, 2018 at 19:31

Awk solution:

ifconfig -a | awk 'NR==2' NR==2 { sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

Awk solution:

ifconfig -a | awk 'NR==2{ sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

Awk solution:

ifconfig -a | awk ' NR==2 { sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

answered Feb 27, 2018 at 9:30

Awk solution:

ifconfig -a | awk 'NR==2{ sub(/^[^0-9]*/, "", $2); printf "IP=%s\n", $2; exit }'

Sample output:

IP=10.0.2.15

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