#!/usr/bin/env bash

littleAreas=$(wc -l areas/*/addresses-train.txt | \
grep -E "\s[123]?[0-9] " | \
cut -d/ -f2)

mkdir -p areas/GatheredLittleAreas

for area in $littleAreas
do
    cat "areas/${area}/addresses-train.txt" >> areas/GatheredLittleAreas/addresses-train.txt
    rm -rf "areas/${area}"
done