Example 4-5 insn.tree_2.bash

• mkdir INSN_DATA

• cd INSN_DATA

• echo "Please input the starting year for tree INSN data"

• read year_start

• echo "Please input the ending year for tree INSN data"

• read year_end

• cat ../insn.stn |while

• read station

• do

• echo $station

• mkdir $station

• cd $station

• for year in `seq $year_start $year_end`

• do

• mkdir $year

• cd $year

• for month in 01 02 03 04 05 06 07 08 09 10 11 12

• do

• mkdir $month

• done

• cd ..

• done

• cd ..

• done

• cd ..