1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
module ParseDate
MONTHS = {
'jan' => 1, 'feb' => 2, 'mar' => 3, 'apr' => 4,
'may' => 5, 'jun' => 6, 'jul' => 7, 'aug' => 8,
'sep' => 9, 'oct' =>10, 'nov' =>11, 'dec' =>12 }
MONTHPAT = MONTHS.keys.join('|')
DAYPAT = 'mon|tue|wed|thu|fri|sat|sun'
def parsedate(date)
if date.sub!(/(#{DAYPAT})/i, ' ')
dayofweek = $1
end
if date.sub!(/\s+(\d+:\d+(:\d+)?)/, ' ')
time = $1
end
if date =~ /19(\d\d)/
year = Integer($1)
end
if date.sub!(/\s*(\d+)\s+(#{MONTHPAT})\S*\s+/i, ' ')
dayofmonth = $1.to_i
monthname = $2
elsif date.sub!(/\s*(#{MONTHPAT})\S*\s+(\d+)\s+/i, ' ')
monthname = $1
dayofmonth = $2.to_i
elsif date.sub!(/\s*(#{MONTHPAT})\S*\s+(\d+)\D+/i, ' ')
monthname = $1
dayofmonth = $2.to_i
elsif date.sub!(/\s*(\d\d?)\/(\d\d?)/, ' ')
month = $1
dayofmonth = $2.to_i
end
if monthname
month = MONTHS[monthname.downcase]
end
if ! year && date =~ /\d\d/
year = Integer($&)
end
return year, month, dayofmonth
end
module_function :parsedate
end
|