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Full Discussion: UNIX: Search file between two Date stamps
Top Forums Shell Programming and Scripting UNIX: Search file between two Date stamps Post 302760935 by Chubler_XL on Thursday 24th of January 2013 08:02:47 PM
Old 01-24-2013
Here is a perl program to add 7 days to a date, (save as 7days.pl)

Code:
#!/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));


You can use it in a script something like this:

Code:
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"

 

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LEARN ABOUT OSX

conjunct

CONJUNCT(1)						      General Commands Manual						       CONJUNCT(1)

NAME

       conjunct - find dates of equinox or new or full moon

SYNOPSIS

       conjunct [options]

DESCRIPTION

       conjunct  searches  for	one of these events: spring equinox (default), summer solstice, autumn equinox, winter solstice, new moon, or full
       moon.

OPTIONS

       -s, --start date
	      Set starting date (default is current date).  The date may be either a Julian day number (e.g. 2454180.0 for noon, 2007 March 20) or
	      an ISO 8601 date (e.g. 2007-03-20).

       -e, --end date
	      Set ending date (default is one year from now).

       -V, --vernal, --spring
	      Search for spring equinox (default).

       -S, --summer
	      Search for summer solstice.

       -A, --autumn, --fall
	      Search for autumn equinox.

       -W, --winter
	      Search for winter solstice.

       -N, --newmoon
	      Search for new moon.

       -F, --fullmoon
	      Search for full moon.

       -h, --help
	      Show summary of options.

SEE ALSO

       aa(1).

AUTHOR

       conjunct was written by Stephen L. Moshier <steve@moshier.net>.

       This manual page was written by James R. Van Zandt <jrv@debian.org>, for the Debian project (but may be used by others).

								  August 24, 2006						       CONJUNCT(1)
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