Month Calendar

November 10, 2003



>>Script Language and Platform: Oracle
Generates a online calendar of any month of any year based on values of month/year provided by the user. It runs well for any Oracle system environment.

Author: Luis Claudio Rodrigues da Silveira


/* Generates a online calendar of any month of any year
based on values of month/year provided by the user.
Author : Luis Silveira
Last updated : October 31st, 2003
*/

set echo off
set verify off
set feed off
set pages 0
set lines 80

column week format a80

accept mon prompt 'Provide the month (0-12) : '
accept year prompt 'Provide the year (format YYYY) : '

select decode(marker, 1, '------ ' ||
substr(rtrim(ltrim('&year')), 1, 1) || ' ' ||
substr(rtrim(ltrim('&year')), 2, 1) || ' ' ||
substr(rtrim(ltrim('&year')), 3, 1) || ' ' ||
substr(rtrim(ltrim('&year')), 4, 1) || ' ' ||
'-----',
3, ' S M T W T F S',
2,
decode(mon, 1, ' J A N U A R Y ',
2, ' F E B R U A R Y ',
3, ' M A R C H ',
4, ' A P R I L ',
5, ' M A Y ',
6, ' J U N E ',
7, ' J U L Y ',
8, ' A U G U S T ',
9, ' S E P T E M B E R ',
10, ' O C T O B E R ',
11, ' N O V E M B E R ',
12, ' D E C E M B E R '),
4,
decode(weekday, '1', ' 1 2 3 4 5 6 7',
'2', ' 1 2 3 4 5 6',
'3', ' 1 2 3 4 5',
'4', ' 1 2 3 4',
'5', ' 1 2 3',
'6', ' 1 2',
'7', ' 1'),
32,
decode(mon, 2,
decode(lastday, '28',
decode(weekday, '1', '28 ',
'2', '27 28 ',
'3', '26 27 28 ',
'4', '25 26 27 28 ',
'5', '24 25 26 27 28 ',
'6', '23 24 25 26 27 28 ',
'7', '23 24 25 26 27 28 '),
'29',
decode(weekday, '1', '29 ',
'2', '28 29 ',
'3', '27 28 29 ',
'4', '26 27 28 29 ',
'5', '25 26 27 28 29 ',
'6', '24 25 26 27 28 29 ',
'7', '23 24 25 26 27 28 29')),
decode(lastday, '31',
decode(weekday, '1', '29 30 31 ',
'2', '28 29 30 31 ',
'3', '27 28 29 30 31 ',
'4', '26 27 28 29 30 31 ',
'5', '25 26 27 28 29 30 31',
'6', '24 25 26 27 28 29 30',
'7', '23 24 25 26 27 28 29'),
decode(weekday, '1', '29 30 ',
'2', '28 29 30 ',
'3', '27 28 29 30 ',
'4', '26 27 28 29 30 ',
'5', '25 26 27 28 29 30 ',
'6', '24 25 26 27 28 29 30',
'7', '23 24 25 26 27 28 29'))),
39,
decode(mon, 2, ' ',
decode(lastday, '31',
decode(weekday, '6', '31 ',
'7', '30 31 ',
' '),
'30',
decode(weekday, '7', '30 ',
' '))),
decode(weekday, '1', lpad(to_char(marker - 3), 2) || ' ' ||
lpad(to_char(marker - 2), 2) || ' ' ||
lpad(to_char(marker - 1), 2) || ' ' ||
lpad(to_char(marker), 2) || ' ' ||
lpad(to_char(marker + 1), 2) || ' ' ||
lpad(to_char(marker + 2), 2) || ' ' ||
lpad(to_char(marker + 3), 2),
'2', lpad(to_char(marker - 4), 2) || ' ' ||
lpad(to_char(marker - 3), 2) || ' ' ||
lpad(to_char(marker - 2), 2) || ' ' ||
lpad(to_char(marker - 1), 2) || ' ' ||
lpad(to_char(marker), 2) || ' ' ||
lpad(to_char(marker + 1), 2) || ' ' ||
lpad(to_char(marker + 2), 2),
'3', lpad(to_char(marker - 5), 2) || ' ' ||
lpad(to_char(marker - 4), 2) || ' ' ||
lpad(to_char(marker - 3), 2) || ' ' ||
lpad(to_char(marker - 2), 2) || ' ' ||
lpad(to_char(marker - 1), 2) || ' ' ||
lpad(to_char(marker), 2) || ' ' ||
lpad(to_char(marker + 1), 2),
'4', lpad(to_char(marker - 6), 2) || ' ' ||
lpad(to_char(marker - 5), 2) || ' ' ||
lpad(to_char(marker - 4), 2) || ' ' ||
lpad(to_char(marker - 3), 2) || ' ' ||
lpad(to_char(marker - 2), 2) || ' ' ||
lpad(to_char(marker - 1), 2) || ' ' ||
lpad(to_char(marker), 2),
'5', lpad(to_char(marker - 7), 2) || ' ' ||
lpad(to_char(marker - 6), 2) || ' ' ||
lpad(to_char(marker - 5), 2) || ' ' ||
lpad(to_char(marker - 4), 2) || ' ' ||
lpad(to_char(marker - 3), 2) || ' ' ||
lpad(to_char(marker - 2), 2) || ' ' ||
lpad(to_char(marker - 1), 2),
'6', lpad(to_char(marker - 8), 2) || ' ' ||
lpad(to_char(marker - 7), 2) || ' ' ||
lpad(to_char(marker - 6), 2) || ' ' ||
lpad(to_char(marker - 5), 2) || ' ' ||
lpad(to_char(marker - 4), 2) || ' ' ||
lpad(to_char(marker - 3), 2) || ' ' ||
lpad(to_char(marker - 2), 2),
'7', lpad(to_char(marker - 9), 2) || ' ' ||
lpad(to_char(marker - 8), 2) || ' ' ||
lpad(to_char(marker - 7), 2) || ' ' ||
lpad(to_char(marker - 6), 2) || ' ' ||
lpad(to_char(marker - 5), 2) || ' ' ||
lpad(to_char(marker - 4), 2) || ' ' ||
lpad(to_char(marker - 3), 2))) week
from
(select to_number('&mon') mon,
r marker,
to_char(to_date('01' ||
lpad('&mon', 2, '0') || '&year', 'DDMMYYYY'), 'D') weekday,
to_char(last_day(to_date('01' ||
lpad('&mon', 2, '0') || '&year', 'DDMMYYYY')), 'DD') lastday
from
(select r
from
(select rownum r
from all_objects
where rownum < 40)
where r in (1, 2, 3, 4, 11, 18, 25, 32, 39))
order by r)
/

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