extract a string after a pattern

Question

I want to extract the numbers following client_id and id and pair up client_id and id in each line.

For example, for the following lines of log,

User(cli         


        

Answer 1

This may work for you:

awk -F "[):,]" '{ for (i=2; i<=NF; i++) if ($i ~ /id/) print $2, $(i+1) }' file

Results:

03 204
03 491
03 29
04 209
04 301
05 20