ひづけのでぃれくとり

gistfile1.sh

year_range=$(seq 2001 2011)
month_range=$(seq 01 12)
day_range=$(seq 1 31)

for y in $year_range; do
  mkdir -p $y
  for m in $month_range; do
    month=`printf '%02d' $m`
    mkdir -p "$y/$month"
    for d in $day_range; do
      invalid=$( date -d "${y}${month}${d}" > /dev/null 2>&1; echo $? )
      if [ $invalid -eq 0 ]
      then
        date=`printf '%02d' $d`
        dir="$y/$month/$date"
        echo $dir
        mkdir -p $dir
      fi
    done
  done
done