in scripts/extract_redis_commands_argcounts.php [341:351]
function dump_table_groups(array $commands): void {
$groups = [];
foreach ($commands as $name => $command) {
$groups[$command['group']][$name] = $command;
}
foreach ($groups as $groupName => $group) {
printf("### %s Command\n\n", $groupName);
dump_table($group);
}
}