RE: Perl - Was unix time conversion function

From: April Wells <awells_at_csedge.com>
Date: Tue, 28 Jan 2003 03:19:25 -0800
Message-ID: <F001.0053BE8C.20030128031925@fatcity.com>

Personally... I think that if I had the same teacher to help me through Perl that REALLY taught me what C was doing in memory and got me to REALLY understand the power and elegance of pointers, I would code more in Perl. I can, and occasionally do, code in Perl, but nothing fancy or real creative.

ajw

April Wells
Oracle DBA
Great spirits have always encountered violent opposition from mediocre minds -- Albert Einstein

-----Original Message-----
Sent: Tuesday, January 28, 2003 4:59 AM
To: Multiple recipients of list ORACLE-L

I've managed to successfully avoid learning Perl for a while now... my reaction, while not quite so dramatic as yours, was that it made my head hurt to try to understand it! :)

• Robert Freeman <robertgfreeman_at_YAHOO.COM> wrote:
  > unix time conversion functionCary.... I once thought I wanted to do
  > some
  > Perl coding... So I bought a book and started to play with it. It
  > made my
  > head bleed... literally I had little droplets of blood emerging from
  > my
  > head.... They rushed me to the hospital and put me in the Perl ward
  > where I
  > languished for days on IV's of Mountain Dew and pulverized Ritz
  > crackers..... it was close.
  >
  > In my mind there is nothing obvious about Perl, this coming from and
  > old C
  > coder who did pointers and linked lists in his sleep years ago. I
  > don't
  > know, maybe I was having a bad day and it's time to get my "learning
  > Perl"
  > book out again....
  >
  > Anyone else feel that way about Perl or am I a lone wolf in a Perl
  > world?
  >
  > RF
  > -----Original Message-----
  > From: root_at_fatcity.com [mailto:root_at_fatcity.com]On Behalf Of Cary
  > Millsap
  > Sent: Friday, January 24, 2003 4:29 PM
  > To: Multiple recipients of list ORACLE-L
  > Subject: RE: unix time conversion function
  >
  >
  > At the risk of stating the obvious, doing it in Perl looks like
  > this:
  >
  >
  >
  > #!/usr/bin/perl
  >
  > use Date::Format qw(time2str);
  >
  > my $t = 1043447100; # for example
  >
  > print time2str("%T %A %d %B %Y", $t), "\n";
  >
  >
  >
  > Cary Millsap
  > Hotsos Enterprises, Ltd.
  > http://www.hotsos.com
  >
  > Upcoming events:
  > - 2003 Hotsos Symposium on OracleR System Performance, Feb 9-12
  > Dallas
  > - RMOUG Training Days 2003, Mar 5-6 Denver
  > - Hotsos Clinic 101, Mar 26-28 London
  >
  > -----Original Message-----
  > From: root_at_fatcity.com [mailto:root_at_fatcity.com] On Behalf Of Post,
  > Ethan
  > Sent: Friday, January 24, 2003 3:30 PM
  > To: Multiple recipients of list ORACLE-L
  > Subject: RE: unix time conversion function
  >
  >
  >
  > Kinda...you can change the year to 1970 if you want, this also
  > converts to
  > minutes, not seconds. It is a really ugly function but it seems to
  > work.
  > You could always use perl.
  >
  >
  >
  > function f_minutes {
  > # Funky function I use to calculate the number of minutes since
  > 2000
  > MIN_YEAR=$( date +"%Y" )
  > MIN_YEAR=$( expr ${MIN_YEAR} - 2000 )
  > MIN_YEAR=$( expr ${MIN_YEAR} \* 525600 )
  > MIN_DAYS=$( date +"%j" )
  > MIN_DAYS=$( expr "${MIN_DAYS}" - 1 )
  > MIN_DAYS=$( expr "${MIN_DAYS}" \* 1440 )
  > MIN_HOURS=$( date +"%H" )
  > MIN_HOURS=$( expr "${MIN_HOURS}" \* 60 )
  > MIN_MINS=$( date +"%M" )
  > MIN_TOTAL=$(( ${MIN_YEAR} + ${MIN_DAYS} + ${MIN_HOURS} +
  > ${MIN_MINS} ))
  > print ${MIN_TOTAL}
  > }
  >
  > -----Original Message-----
  > From: Adams, Matthew (GECP, MABG, 088130)
  > [mailto:MATT.ADAMS_at_APPL.GE.COM]
  > Sent: Friday, January 24, 2003 1:14 PM
  > To: Multiple recipients of list ORACLE-L
  > Subject: unix time conversion function
  >
  > Anybody got a handy little function to
  > convert a standard unix seconds-since-Jan-1970 epoch
  > time (stored as a number) to a readable date?
  >
  > It would save me a lot of time not having to re-invent the
  > wheel.
  >
  > Matt
  >
  > ----
  > Matt Adams - GE Appliances - matt.adams_at_appl.ge.com
  > My computer beat me at chess, but I won
  > when it came to kick boxing.
  >
  

  ---

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Author: April Wells
  INET: awells_at_csedge.com

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Received on Tue Jan 28 2003 - 05:19:25 CST