Shell Programming and Scripting

$path crtl1 crtl2

filename.txt|02/05/2010|10

echo "Initialising the run time parameter for FOLDER path..." 
cd  #path
echo "\n Folder path of the unzipped files and CNTRL file: $1 "
echo "\n \n Reading the content from CNTRL file and asssigning the values to variables..."
IFS='|'
while read -r fname Process_dt rec_cnt
do
 echo "\n $fname $Process_dt $rec_cnt "
 echo "\n Checking if the File exist in the folder..."
 if [ $fname ] 
        then
  echo "\n $fname Exist"
  echo "\n \n Reading linecount for the corresponding file and storing it in a variable..."
                cat $fname | wc -l | read linecount
  echo "\n Reading Processdate for the corresponding file and storing it in a variable..."
  ls -l | awk '{print $6 $7 S8}'| nawk ' { months="  JanFebMarAprMayJunJulAugSepOctNovDec";date=$2;month=index(months,substr($1,1,3))/3; year=$3; printf("%02s/%02s/%s\n",month,date,year)}'|read Proc_dt;
  echo "\n checking if record count and Process date of the file matches with the CNTRL file entry..."
                        if [ $linecount -eq $rec_cnt ] && [ $Proc_dt -eq $Process_dt ]   
                        then
     echo "\n \n Record Count and Process date matches from both files"
                       
                        elif [ $linecount -ne $rec_cnt ] 
                        then  
     echo "\n \n Record Count doesnot match"
   else
     echo "\n \n Process date doesnot match" 
   fi
 fi
 echo "Passing the run time parameter for CNTRL file name..."
done < POR.crtl #crtl file
echo " Filename,Record count and Process date validated against file $2"

$ ls
jjj.c  jjj.txt  jjj.x

$ filename=jjj.c

$ [ -f $filename ]
$ echo $?
0

$ filename=junk

$ [ $filename ]
$ echo $?
0 # The problem. Says bad file exists.

$ [ -f $filename ]
$ echo $?
1 # Correct behavior now that -f is used.

'{print $6 $7 S8}'

'{print $6 $7 $8}'

echo "Checking if the File exist in the folder..."
if [ $fname ]; then
  echo "\n $fname Exist"

echo "Checking if the File exist in the folder..."
if [ -f $fname ]; then
  echo "\n $fname Exist"