Shell Programming and Scripting

for i in $(condition ONE);do for e in $(CONDITION TWO);do

         if [ $i = switch_ports_online1.txt ]; then
                command 1
                command 2
                command 3
         else  if [ $i = switch_ports_online2.txt ]; then
                command 1
                command 2
                command 3
         else  if [ $i = switch_ports_online3.txt ]; then
                command 1
                command 2
                command 3s
         else  if [ $i = switch_ports_online4.txt ]; then
                command 1
                command 2
                command 3
         echo ""
         fi
done;done
cat miofilesss

SWO=switch_ports_online
[ $i = ${SWO}1.txt ]

SWO=switch_ports_online
for [ $i = ${SWO}1.txt ]; do
        echo $i $e

done

...
case "$i" in
    switch_ports_online[1-4].txt)
               command 1
               command 2
               command 3
               ;;
esac
...

for i in ${SWO}*.txt; do echo $i; done
switch_ports_online1.txt
switch_ports_online2.txt
switch_ports_online3.txt