#!/bin/sh

YEAR=1938

while [ $YEAR -lt 2008 ]
      do
      YEAR=$(($YEAR + 1))
      PAGE=0
      if [ ! -d $YEAR ]
         then
         mkdir $YEAR 
      fi
      cd $YEAR
      while [ $PAGE -lt 500 ] 
            do
            SPACER=""
            PAGE=$(($PAGE + 1))
            if [ $PAGE -lt 10 ]
               then
               SPACER="00"
               else
               if [ $PAGE -lt 100 ]
                  then
                  SPACER="0"
               fi
            fi
            wget --user-agent="Mozilla" -nc http://www.radioshackcatalogs.com/catalogs/$YEAR/pages/$SPACER$PAGE.jpg
            if [ ! -f $SPACER$PAGE.jpg ]
               then
               PAGE=500
            fi
            done
      cd ..
      done