Shell Programming and Scripting

#!/bin/bash
i=0
while true   # read user input
do
   read -p "enter file name (blank if finished) : "
   [ -z "$REPLY" ] && break
   FILE[$i]=$REPLY
   ((i++))
done
for ((i=0; i<${#FILE[@]}; i++))   # check if files exist
do
   F=${FILE[$i]}
   if [ -f "$F" ]
   then echo "File $F exists"
   else echo "File $F does not exist"
   fi
done

#!/bin/bash
i=0
while true   # read user input and check files
do
   read -p "enter file name (blank if finished) : " F
   [ -z "$F" ] && break
   [ -f "$F" ] || { echo "File does not exist" && continue; }
   FILE[$i]=$F
   ((i++))
done
for ((i=0; i<${#FILE[@]}; i++))   # print files
do
   echo -e "File number $i\t: ${FILE[$i]}"
done