Bash vlookup function

# Example usage:
awk 'FNR==NR{a[$1]=$2; next}; {if($9 in a) {print $0, "\t"a[$9];} else {print $0, "\tNA"}}' input_file_1 input_file_2
# This command does a VLOOKUP-type operation between two files using
#	awk. With the numbers above, column 1 from input_file_1 is used 
#	an a key in an array with column 2 of input_file_1 as the match for 
#	the key. Column 9 of input_file_2 is then compared to the keys from
#	input_file_1 and any matches return the associated match from 
#	input_file_1 (here, column 2).

Source: unix.stackexchange.com

Similar codes

1 vote126 views1 answer
How to determine the file type in ubuntu
Shell/Bash
0 vote124 views3 answers
EDIT WSL2 terminal user%
Shell/Bash
0 vote120 views1 answer
Write to NTFS on Mac OS
Shell/Bash
2 votes128 views1 answer
Git case sensitive folder
Shell/Bash
8 votes128 views4 answers
Kubectl exec bash
Shell/Bash
0 vote145 views1 answer
Quasar install
Shell/Bash
6 votes121 views3 answers
Take screenshot linux
Shell/Bash
0 vote122 views2 answers
Ng serve ---Mg:server fundamental error
Shell/Bash
4 votes173 views2 answers
Kill all docker processes force
Shell/Bash
0 vote130 views1 answer
Install pimcore ubuntu
Shell/Bash