Shell Programming and Scripting

touch -t 201212100000 beg
touch -t 201212150000 end

find . -name "datafile*" -newer beg ! -newer end

#!/usr/bin/perl
use Time::Local 'timelocal';
use POSIX qw(strftime);
my $M, $year, $month, $day;
my @d, @f;
while (my $ln = <STDIN>) {
  if($ln =~ /(\d\d\d\d) *(\d\d) *(\d\d)/) {
    $ln =~ s/(\d\d\d\d) *(\d\d) *(\d\d)/\1 \2 \3/;
    push(@f, $ln);
    $M=$ln unless ($ln lt $M);
  }
}
($year, $month, $day) = split(/\s/, $M);
print strftime("%Y%m%d\n", localtime(timelocal(0,0,0,$day,$month-1,$year)+7*24*60*60));

START=20121124
END=$(echo $START | ./7days.pl)
 
while [ -n "$FOUND" ]
do
    for file in datfile*
    do
        DATE=$(echo $file | sed -e 's:^datfile.::' -e s':-.*::')
        [ $DATE -ge $START -a $DATE -le $END ] &&
            FOUND="$(printf "%s\n%s" $FOUND $file)"
    done
    END=$(echo $END | ./7days.pl)
done
echo "Files found:"
echo "$FOUND"

findFile () {
   INPUTDATE=$1

 
 
   YY=`echo $INPUTDATE | cut -f 1 -d "/" | cut -f 1 -d " "`
   MM=`echo $INPUTDATE | cut -f 2 -d "/" | cut -f 1 -d " "`
   DD=`echo $INPUTDATE | cut -f 3 -d "/" | cut -f 1 -d " "`
   echo "INPUT FILE ${YY}${MM}${DD}0000"
   touch -t ${YY}${MM}${DD}0000 ${DB_DUMPS_DIR}/DBREFRESHDATE
   if [[ $DD -lt 8 ]]
   then
      if [[ $MM -eq 1 ]]
      then
         (( MM -= 1 ))
         (( MM += 12 ))
         (( YY -= 1 ))
      else
         (( MM -= 1 ))
         if [[ $MM -lt 10 ]]
         then
            MM=0$MM
         fi
      fi
      (( DD -= 7 ))
      (( DD += 30 ))
   else
      (( DD -= 7 ))
      if [[ $DD -lt 10 ]]
      then
         DD=0$DD
      fi
   fi

   echo  "NEW FILE ${YY}${MM}${DD}0000"
   touch -t ${YY}${MM}${DD}0000 ${DB_DUMPS_DIR}/DBDUMPDATE
   cd ${DB_DUMPS_DIR}
   find . -newer DBDUMPDATE ! -newer DBREFRESHDATE | egrep -v DBREFRESHDATE
   if [[ $? -eq 0 ]]
   then
      echo "Found data"
      FOUND=1
   else
      echo "Could not find data"
      NEWDATE=${YY}/${MM}/${DD}
      FOUND=0
   fi
}