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Re: [PBML] Help with date format

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  • Maisha Walker
    oh yeah - that *is* simple! Thank you! maisha ... From: Oliver Manickum To: perl-beginner@egroups.com Date:
    Message 1 of 21 , Sep 4, 2000
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      RE: [PBML] Help with date format
      oh yeah - that *is* simple!
       
      Thank you!
      maisha
      -----Original Message-----
      From: Oliver Manickum <oliver@...>
      To: perl-beginner@egroups.com <perl-beginner@egroups.com>
      Date: Monday, September 04, 2000 10:17 AM
      Subject: RE: [PBML] Help with date format


      Hey Maisha,

              I would try to compensate for both.. ie.        if a user sometimes used 2000-05-03 or sometimes used 20000503 then i would first do this

              $date = '2000/05/03';
              $date =~ s/\-\/\\//; # Accomodate for a - or a \ or a / or whateva else the user might separate the date by.....

             
              then u can play with it in the form of 20000505

      - Olly
      Oliver Manickum
      ____________________________
      ePages Internet & Multimedia
      http://www.epages.net/
      Tel : +27 (0)31 2651281

      -----Original Message-----
      From: Maisha Walker [mailto:maisha@...]
      Sent: Monday, September 04, 2000 4:00 PM
      To: perl-beginner@egroups.com
      Subject: Re: [PBML] Help with date format


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      hey, isn't the problem with this though, that you cannot as simply account
      for the addition of spaces, dashes or slashes to the date?  that was one of
      the prerequisites of the person who had the question.

      for example, what if your date looked like this:
      2000-08-23

      or if it sometimes looked like the above and sometimes looked like this:
      20000823

      the program below would not work anymore.

      i'm a beginner, so let me know if i've missed something!

      maisha

    • Andrew Johnson
      ! just curious everyone, but why use d d instead of d{2} - even just ! for consistency sake? is there a particular reason for using d d ! instead? To be
      Message 2 of 21 , Sep 4, 2000
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        ! just curious everyone, but why use \d\d instead of \d{2} - even just
        ! for consistency sake? is there a particular reason for using \d\d
        ! instead?

        To be honest, here is why I did it that way:

        \d{4} is shorter than \d\d\d\d
        \d\d is shorter than \d{2}

        :-)

        andrew

        --
        Andrew L. Johnson http://members.home.net/andrew-johnson/
        The generation of random numbers is too
        important to be left to chance.
      • Greg Webster
        Sorry, you re right...but this is easily accomplished with one line. $wholedate = 20000803 ; $wholedate =~ s/[ /- .//g; #removes / - and . Add as
        Message 3 of 21 , Sep 4, 2000
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          Sorry, you're right...but this is easily accomplished with one line.

          $wholedate = '20000803';
          $wholedate =~ s/[\/-\\\.//g; #removes / - \ and . Add as needed
          @alldigits = split(//, $wholedate);
          $year = join('', @alldigits[0..3]);
          $month = join('', @alldigits[4..5]);
          $day = join('', @alldigits[6..7]);

          print "Year: $year : Month: $month : Day: $day\n";

          Greg

          On Mon, 04 Sep 2000, you wrote:
          >
          > hey, isn't the problem with this though, that you cannot as simply account
          > for the addition of spaces, dashes or slashes to the date? that was one of
          > the prerequisites of the person who had the question.
          >
          > for example, what if your date looked like this:
          > 2000-08-23
          >
          > or if it sometimes looked like the above and sometimes looked like this:
          > 20000823
          >
          > the program below would not work anymore.
          >
          > i'm a beginner, so let me know if i've missed something!
          >
          > maisha
          > -----Original Message-----
          > From: Greg Webster <greg@...>
          > To: perl-beginner@egroups.com <perl-beginner@egroups.com>
          > Date: Sunday, September 03, 2000 10:26 PM
          > Subject: Re: [PBML] Help with date format
          >
          >
          >
          >
          > Personally...
          >
          > To convert 20000803 (and be able to do cool things with the values
          > individually), I'd do something like the following:
          >
          > $wholedate = '20000803';
          > @alldigits = split(//, $wholedate);
          > $year = join('', @alldigits[0..3]);
          > $month = join('', @alldigits[4..5]);
          > $day = join('', @alldigits[6..7]);
          >
          > print "Year: $year : Month: $month : Day: $day\n";
          >
          > Then you can easily deal with all of the dates in bits. There's really no
          > reason to complicate matters here.
          >
          > BTW, I'm sure is Awk type formats and $1, $2, $3 etc...this could be
          > simplified
          > further.
          >
          > Greg
          >
          > --
          > < >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >
          > | | | GREG WEBSTER - greg@... | | | |
          > <_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>
          --
          < >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >
          | | | GREG WEBSTER - greg@... | | | |
          <_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>
        • Andrew Johnson
          ! Sorry, you re right...but this is easily accomplished with one line. ! ! $wholedate = 20000803 ; ! $wholedate =~ s/[ /- .//g; #removes / - and . Add
          Message 4 of 21 , Sep 4, 2000
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            ! Sorry, you're right...but this is easily accomplished with one line.
            !
            ! $wholedate = '20000803';
            ! $wholedate =~ s/[\/-\\\.//g; #removes / - \ and . Add as needed

            Ouch! Greg, besides forgetting the closing ] on the character class,
            you do realize that your regex will remove a whole lot more than you
            think it does (removing all upper case letters and all digits, and
            several punctuation characters -- and it won't remove the '-'
            character).

            I think you meant: [\/\\\.-] , placement of the '-' is crucial inside
            of character classes.

            regards,
            andrew

            --
            Andrew L. Johnson http://members.home.net/andrew-johnson/
            I drink to make other people interesting.
            -- George Jean Nathan
          • Greg Webster
            Heh, I really should test what I write. Forgive me, it s been a hell of a week. You are absolutely right about the placement and order. Greg ... -- -
            Message 5 of 21 , Sep 4, 2000
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              Heh, I really should test what I write. Forgive me, it's been a hell of a week.
              You are absolutely right about the placement and order.

              Greg

              On Mon, 04 Sep 2000, you wrote:
              > Ouch! Greg, besides forgetting the closing ] on the character class,
              > you do realize that your regex will remove a whole lot more than you
              > think it does (removing all upper case letters and all digits, and
              > several punctuation characters -- and it won't remove the '-'
              > character).
              >
              > I think you meant: [\/\\\.-] , placement of the '-' is crucial inside
              > of character classes.
              >
              > regards,
              > andrew
              >
              > --
              > Andrew L. Johnson http://members.home.net/andrew-johnson/
              > I drink to make other people interesting.
              > -- George Jean Nathan
              --
              < >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >-< >< >
              | | | GREG WEBSTER - greg@... | | | |
              <_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>-<_><_>
            • Maisha Walker
              ha ha ha - that s great! maisha ... From: Andrew Johnson ! just curious everyone, but why use d d instead of d{2} - even just ! for
              Message 6 of 21 , Sep 4, 2000
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                ha ha ha - that's great!

                maisha
                -----Original Message-----
                From: Andrew Johnson <andrew-johnson@...>

                ! just curious everyone, but why use \d\d instead of \d{2} - even just
                ! for consistency sake? is there a particular reason for using \d\d
                ! instead?

                To be honest, here is why I did it that way:

                \d{4} is shorter than \d\d\d\d
                \d\d is shorter than \d{2}

                :-)

                andrew
              • Smith, Sheldon
                That s right. Allowing for optional delimiters was exactly what Andrew Johnson s regex did (with the pattern [ /-]? ). (See earlier post.) Simple substring
                Message 7 of 21 , Sep 6, 2000
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                  That's right. Allowing for optional delimiters was exactly what Andrew
                  Johnson's regex did (with the pattern "[ /-]?"). (See earlier post.) Simple
                  substring extractions just can't get the job done.

                  Shel Smith

                  > -----Original Message-----
                  > From: Maisha Walker [mailto:maisha@...]
                  > Sent: Monday, September 04, 2000 9:00 AM
                  > To: perl-beginner@egroups.com
                  > Subject: Re: [PBML] Help with date format
                  >
                  > hey, isn't the problem with this though, that you cannot as
                  > simply account
                  > for the addition of spaces, dashes or slashes to the date?
                  > that was one of
                  > the prerequisites of the person who had the question.
                  >
                  > for example, what if your date looked like this:
                  > 2000-08-23
                  >
                  > or if it sometimes looked like the above and sometimes looked
                  > like this:
                  > 20000823
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