#!/bin/bash
set -e
comm -2 -3 <(< games.csv cut -f1 -d, | sort) <( <games-mytags.csv cut -f1 -d, | sort) |
( echo 1,2; while read A; do grep "^$A," games.csv ; done ) |
csvproc -quoty 0 -o 1,2,3 '' | tail -n+2 > games-mytags-new.csv
cat games-mytags-new.csv >> games-mytags.csv
rm games-mytags-new.csv