#!/bin/sh

#move upper case
for (( i = 65; i < 91; i++ )); do
F=$(echo $i | awk '{ printf( "%c\n", $0 ); }')
mv -u $F* ../$F/
done

#move lower case
for (( i = 65; i < 91; i++ )); do
F=$(echo $i | awk '{ printf( "%c\n", $0 ); }' | awk '{print tolower($0)}')
mv -u $F* ../$F/
done