02-09-2011
help with updating date+revision in a file
Hi Gurus,
I have a file in which the 3rd line needs to be replaced with 'current date' along with 'revision'. The exact format of the file is like this:
HTML Code:
$TTL 4h
@ IN SOA mo2idns.mnc720.mcc302.gprs. root.mnc720.mcc302.gprs. (
2011020801; serial YYYYMMDDVV where VV is version
5h ; slaves should refresh the zone after 5 hours
2h ; retry after 2 hour
30d ; expire after 30 days
10m ) ; negative cache TTL of 10 minutes
The file extract above shows that the file was last updated on 8th of Feburary and it was only changed once because I see a '01' appended to the date. (If there was a '02' instead of '01', that would mean the file was updated twice on the 8th of Feburary)
Is that possible in shell scripting to update the date in the 3rd line with current date along with revision. So if the file has previous date, the date will be replaced with today's date along with first revision: 2011020901 ('01' because it is first revision / update for today). And if the date is detected to be today's date then just add 1 to the revision say from 2011020901 to 2011020902 , or from 2011020902 to 2011020903, depends on how many times the file has already been revised / updated today.
Any help will be appreciated.
Thanks
momin
Last edited by momin; 02-09-2011 at 06:11 PM..
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LEARN ABOUT PHP
date_parse_from_format
DATE_PARSE_FROM_FORMAT(3) 1 DATE_PARSE_FROM_FORMAT(3)
date_parse_from_format - Get info about given date formatted according to the specified format
SYNOPSIS
array date_parse_from_format (string $format, string $date)
DESCRIPTION
Returns associative array with detailed info about given date.
PARAMETERS
o $format
- Format accepted by DateTime.createFromFormat(3).
o $date
- String representing the date.
RETURN VALUES
Returns associative array with detailed info about given date.
EXAMPLES
Example #1
date_parse_from_format(3) example
<?php
$date = "6.1.2009 13:00+01:00";
print_r(date_parse_from_format("j.n.Y H:iP", $date));
?>
The above example will output:
Array
(
[year] => 2009
[month] => 1
[day] => 6
[hour] => 13
[minute] => 0
[second] => 0
[fraction] =>
[warning_count] => 0
[warnings] => Array
(
)
[error_count] => 0
[errors] => Array
(
)
[is_localtime] => 1
[zone_type] => 1
[zone] => -60
[is_dst] =>
)
SEE ALSO
DateTime.createFromFormat(3), checkdate(3).
PHP Documentation Group DATE_PARSE_FROM_FORMAT(3)