#!/usr/bin/awk -f

# Downloadable example 7 for GNU Awk Part 15

BEGIN {
    db = "awktest.db"
    cmd = "sqlite3 " db
    querytpl = "select id,title from episodes where id = %d;\n"
}

$0 ~ /^[0-9]+$/ {
    printf querytpl,$0 |& cmd
    cmd |& getline result
    print result
}