[태그:] vlookup

https://sancs.tistory.com/6 https://unix.stackexchange.com/questions/88550/vlookup-function-in-unix BEGIN{FS=OFS=”,”} FNR==NR{ a[$1]=$2 next } { if ($1 in a) {print $1, a[$1]} else {print $1, “NA”} }