"John W. Krahn" <jwkr...@shaw.ca> writes:
[...]
> The main problem is that you are not testing edge cases like:
>
> ev 101201 3
>
> Or:
>
> ev 100101 3
>
> If you did you would get an error message like:
>
> Month '12' out of range 0..11 at Why_is_the_answer_right.pl line 74
Thanks for the help cleaning the script up.
I may have gotten it a little less incorrect with those tips.
Input data:
ev 100409 3
send state tax payment by 15th
ev 100604
Newsguy account expires 100607
ev 100421 4
my appt is today
ev 100131 3
my appt is today
ev 101230 2
my appt is today
------- --------- ---=--- --------- --------
#!/usr/local/bin/perl
use strict;
use warnings;
use Time::Local;
## values below hardwired so we can use Time::Local gracefully
## and we don't need any for our current job
## Changed to decimal but left them early since this will be read
## by cron only once per day... 12 would mean a late notification.
my $sec = 3;
my $min = 3;
my $hour = 3;
while(<>){
if( my ($year,$mon,$mday,$predays) = $_ =~
m/^ev\s+(\d\d)(\d\d)(\d\d)\s+(\d)\s*$/){
my ($oyear,$omon,$omday) = ($year,$mon,$mday);
#You need to adjust the month and year correctly:
## Correct the mnth by -1 since we fed a 1..12 base mnth and timelocal
## uses 0..11
## incoming is 2 dig yr, but here we need 4 for localtime to work right
## We'll convert back to 2 later
my $time = timelocal( $sec, $min, $hour, $mday, $mon - 1,"20$year" - 1900
);
## calc based on 86400 second in 24 hr
my $offset = ($time - ($predays * 86400));
## ($preday * 86400) seconds less than target date gives
## the offset in seconds that we will compare to determine
## if its time to send mail
## We turn the offset time back into YYMMDD for comparison
## # 0 1 2 3 4 5 6 7 8
# ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
# localtime(time);
($year,$mon,$mday) = (localtime($offset))[5,4,3];
$year += 1900;
$mon += 1;
my $PaddedDateStr = sprintf "%02d%02d%02d", ($year % 100),$mon,$mday;
my $incoming_date = $oyear . $omon . $omday;
my $str = "\n Let's see how it works:
------- ----=---- -------
Incoming year mon day = $incoming_date
predays ($predays) * 86400
gives us this
offset $offset
Which leaves us with = $PaddedDateStr
------- ----=---- -------
";
print $str;
}
}
print "\n";
------- --------- ---=--- --------- --------
output
myscript file:
Let's see how it works:
------- ----=---- -------
Incoming year mon day = 100409
predays (3) * 86400
gives us this
offset 1270540983
Which leaves us with = 100406
------- ----=---- -------
Let's see how it works:
------- ----=---- -------
Incoming year mon day = 100421
predays (4) * 86400
gives us this
offset 1271491383
Which leaves us with = 100417
------- ----=---- -------
Let's see how it works:
------- ----=---- -------
Incoming year mon day = 100131
predays (3) * 86400
gives us this
offset 1264669383
Which leaves us with = 100128
------- ----=---- -------
Let's see how it works:
------- ----=---- -------
Incoming year mon day = 101230
predays (2) * 86400
gives us this
offset 1293526983
Which leaves us with = 101228
------- ----=---- -------
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