#! /bin/bash
now=$(date +%s)
yday=$(date -d yesterday +%s)
tmrw=$(date -d tomorrow +%s)

mkdir {100..200}

for d in {100..200} ; do

    for r in {1..250} ; do
	mkdir $d/$(date +%Y%m%d -d @$((yday-10000*RANDOM)))
    done 2>/dev/null

    mkdir $d/$(date +%Y%m%d -d @$((tmrw+10*RANDOM)))

    for r in {1..250} ; do
	mkdir $d/$(date +%Y%m%d -d @$((yday-10000*RANDOM)))
    done 2>/dev/null
    echo $d >&2
done