Shell Programming and Scripting

$ cat test.sh
csv_path="$2"
txt_path="$3"

if [ ! -z "$txt_path" ]; then
  echo "txt_path = $txt_path"
  ls "$txt_path/*.txt" > temp1
elif [ ! -z "$csv_path" ]; then
  echo "csv_path = $csv_path"
  ls "$csv_path/*.csv" > temp2
fi

$ ./test.sh arg1

$ ./test.sh arg1 /csv_path
csv_path = /csv_path
ls: cannot access /csv_path/*.csv: No such file or directory

$ ./test.sh arg1 /csv_path /txt_path
txt_path = /txt_path
ls: cannot access /txt_path/*.txt: No such file or directory

echo "Initialising the run time parameter for FOLDER path..." >file.log
path=$1
crtl=$2
crtl1=$3
cd $path
echo "\n Folder path of the unzipped files and CNTRL file: $1 ">>file.log
echo "\n \n Reading the content from CNTRL file and asssigning the values to variables...">>file.log
IFS='|'
while read -r fname Process_dt rec_cnt
do
        echo "\n $fname $Process_dt $rec_cnt ">>file.log
        echo "\n Checking if the File exist in the folder...">>file.log
 if [ -f $fname ]
        then
        echo "\n $fname Exist">>file.log
                echo "\n \n Reading linecount for the corresponding file and storing it in a variable...">>file.log
                cat $fname | wc -l | read linecount
                   echo $linecount
        echo "\n Reading Processdate for the corresponding file and storing it in a variable...">>file.log
echo $path
                case "$path" in
path)
ls -l path/$fname | grep -v total | awk '{print $6 " " $7 " " $8}'| nawk ' { months="  JanFebMarAprMayJunJulAugSepOctNovDec";date=$2;mo
nth=index(months,substr($1,1,3))/3;year=$3;printf("%02s/%02s/%04s\n",month,date,year)}'|read Proc_dt;;
path1)
ls -l path1/$fname | grep -v total | awk '{print $6 " " $7 " " $8}'| nawk ' { months="  JanFebMarAprMayJunJulAugSepOctNovDec";date=$2 -
1;month=index(months,substr($1,1,3))/3;year=$3;printf("%02s/%02s/%04s\n",month,date,year)}'|read Proc_dt;;
esac
                echo $Proc_dt>>file.log
                echo "\n checking if record count and Process date of the file matches with the CNTRL file entry...">>file.log
                        if [ $linecount -eq $rec_cnt ] && [ $Proc_dt = $(printf "%s" "$Process_dt") ]
                        then
                                        echo "\n \n Record Count and Process date matches from both files">>file.log
                        elif [ $linecount -ne $rec_cnt ]
                        then
                                      echo "\n \n Record Count doesnot match">>file.log
                        else
                                        echo "\n \n Process date doesnot match">>file.log
                        fi
        fi
        echo "Passing the run time parameter for CNTRL file name...">>file.log
done < $crtl $crtl1 #right way to pass 3 argument ??
echo " Filename,Record count and Process date validated against file $2">>file.log

sh validation.sh filename.crtl filename1.crtl