Shell Programming and Scripting

#!/usr/bin/sh

DATA_DIR=/RawData/processed_files
DATA_FILE_NO=$(ll data_file.$DATE_YYMMDD*.Z | wc -l)

echo "How many days before to check?"
read THE_DAYS

#Gather YYMMDD from Oracle
DATE_YYMMDD=`${LIB}/dt_YYMMDD -${THE_DAYS}`

cd $DATA_DIR

if  ((DATA_FILE_NO != 24))
then
echo amr_date file is missing
fi

for hr in `seq 0 23` ; do 
  fname=data_file.$DATE_YYMMDD${hr}.Z
  [[ ! -f "$fname" ]] && echo Missing $fname
done

for i in {0..23}
do
  hr=$(printf "%02s" $i)
  fname=data_file.$DATE_YYMMDD${hr}.Z
  [[ ! -f "$fname" ]] && echo Missing $fname
done

for (( i=0; i<=23; i++ ))

hr=0;
while [ $hr -lt 24 ]; do
  [[ $hr -lt 10 ]] && fname=data_file.$DATE_YYMMDD0${hr}.Z
  [[ $hr -ge 10 ]] && fname=data_file.$DATE_YYMMDD${hr}.Z
  [[ ! -f "$fname" ]] && echo Missing $fname
((hr++))
done

FILE=`find ${DATA_DIR}`
COUNT="11032300"

for LINE in `echo ${FILE}`
do
     BASENAME_FILE=`basename ${LINE}`
     DATE_FILE=`echo "$BASENAME_FILE" | awk -F "." '{ print $2 }'`
     if [ "${COUNT}" != "${DATE_FILE}" ]
          do
                 echo "..."  ----> whatever you like
          done
     COUNT=`expr ${COUNT} + 1`
done