#!/bin/bash

export mydir=/home/people/emc/jhuang/ftp/for_NDGD_5x_expr

export std=20240801
export etd=20240831

while [ $std -le $etd ]
do
export ymd=`echo $std | cut -c1-8`

cd $mydir

mkdir $mydir/$std 

let "std=std+1"

done