Dynamic indirect Bash array

Question

I have logs in this format:

log1,john,time,etc
log2,peter,time,etc
log3,jack,time,etc
log4,peter,time,etc

I want to create a list for every per

Answer 1

You can use awk. As a demo:

awk -F, '{a1[$2]=a1[$2]" \""$0"\""; sum[$2]++} END{for (e in sum){print e"=("  "\""sum[e]"\""a1[e]")"}}' file
john=("1" "log1,john,time,etc")
peter=("2" "log2,peter,time,etc" "log4,peter,time,etc")
jack=("1" "log3,jack,time,etc")