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Full Discussion: Crontab update
Top Forums Shell Programming and Scripting Crontab update Post 303016349 by Don Cragun on Wednesday 25th of April 2018 12:56:03 AM
Old 04-25-2018
Once we know what operating system you're using (as requested by jim McNamara), we'll also need to know what shell you're using.

And, we need to know how you plan to tell your script which country code or country codes are to be processed and whether the invocation of your script is supposed to comment out that country code or make the entry for that country code active.

What are the "situations" you mentioned? How can your script determine whether or not each such "situation" exists?

Will the crontab file to be updated be the crontab file of the user running this script? If not, how will the user running your script get permission to modify the crontab file of the user whose contab file it is that you want to update?

If you can show us what you have already tried to solve this problem on your own, it would help us understand what you are trying to do and where you are stuck.
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GEOIP_TIME_ZONE_BY_COUNTRY_AND_REGION(3)				 1				  GEOIP_TIME_ZONE_BY_COUNTRY_AND_REGION(3)

geoip_time_zone_by_country_and_region - Returns the time zone for some country and region code combo

SYNOPSIS
string geoip_time_zone_by_country_and_region (string $country_code, [string $region_code]) DESCRIPTION
The geoip_time_zone_by_country_and_region(3) function will return the time zone corresponding to a country and region code combo. In the United States, the region code corresponds to the two-letter abbreviation of each state. In Canada, the region code corresponds to the two-letter province or territory code as attributed by Canada Post. For the rest of the world, GeoIP uses FIPS 10-4 codes to represent regions. You can check http://www.maxmind.com/app/fips10_4 for a detailed list of FIPS 10-4 codes. This function is always available if using GeoIP Library version 1.4.1 or newer. The data is taken directly from the GeoIP Library and not from any database. PARAMETERS
o $country_code - The two-letter country code (see geoip_country_code_by_name(3)) o $region_code - The two-letter (or digit) region code (see geoip_region_by_name(3)) RETURN VALUES
Returns the time zone on success, or FALSE if the country and region code combo cannot be found. EXAMPLES
Example #1 A geoip_time_zone_by_country_and_region(3) example using region code for US/Canada This will print the time zone for country CA (Canada), region QC (Quebec). <?php $timezone = geoip_time_zone_by_country_and_region('CA', 'QC'); if ($timezone) { echo 'Time zone for CA/QC is: ' . $timezone; } ?> The above example will output: Time zone for CA/QC is: America/Montreal Example #2 A geoip_time_zone_by_country_and_region(3) example using FIPS codes This will print the time zone for country JP (Japan), region 01 (Aichi). <?php $timezone = geoip_time_zone_by_country_and_region('JP', '01'); if ($timezone) { echo 'Time zone for JP/01 is: ' . $timezone; } ?> The above example will output: Time zone for JP/01 is: Asia/Tokyo PHP Documentation Group GEOIP_TIME_ZONE_BY_COUNTRY_AND_REGION(3)
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