#!/bin/csh
############################################################
# Make the tree of directories; at the top level named after
# a number, and each number has a-z under them.  Also make
# the by_id directory where the CDs get stored.
############################################################

foreach d ( 0 1 2 3 4 5 6 7 8 9 )
  mkdir $d
  foreach e ( a b c d e f g h i j k l m n o p q r s t u v w x y z )
    mkdir $d/$e
  end
end

mkdir by_id

mkdir all
cd all
foreach d ( 0 1 2 3 4 5 6 7 8 9 )
  ln -s ../$d .
end