Shell script - Check if the files exists in a file

This is a simple script to look for a file in a given location.

#!/usr/bin/ksh   echo " File name please : " read FILENAME; dataDir=/u01/app/oracle/dpump; ### Directory to look for a file ### sourceFile=SCOTT.dmp; ### file name to search for ###   cd /u01/app/oracle/dpump; echo " Present directory : " `pwd`"";   ##Did we get a file?   if [ -e ${dataDir}/${sourceFile} ]; then echo "Found file !! " else echo " No file found !!! " fi