Shell Programming and Scripting

#!/bin/bash
FOLDER=./folder
TABLEA="File1|File2|File3"
TABLEB="File 4|File5|File6"
cd $FOLDER
shopt -s extglob
for file in *
do
    case $file in
       @($TABLEA))
           echo "Load $file into table A"
           # Process file here
       ;;  
       @($TABLEB))
           echo "Load $file into table B"
           # Process file here
       ;;  
    esac
done

$ ls folder
File 4  File1  File6

$ ./doload.sh
Load File 4 into table B
Load File1 into table A
Load File6 into table B

FOLDER=./folder
declare -A proc
proc=( [File1]="A" [File2]="A" [File3]="A"
       [File 4]="B" [File5]="B" [File6]="B" )
cd $FOLDER
for file in *
do
   if [[ ${proc[$file]} ]]
   then
       echo "Load $file into table ${proc[$file]}"
       # Process file here
   fi
done