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Top Forums Shell Programming and Scripting Shell program question with Filenames and dates Post 303014719 by RudiC on Monday 19th of March 2018 01:26:25 PM
Old 03-19-2018
This is far from clear. Does it mean "for each of the groups defined by the first four characters, select the file with date stamp less or equal to the date parameter string given"?
 

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DATETIMEINTERFACE.FORMAT(3)						 1					       DATETIMEINTERFACE.FORMAT(3)

DateTime::format - Returns date formatted according to given format

       Object oriented style

SYNOPSIS
public string DateTime::format (string $format) DESCRIPTION
string DateTimeImmutable::format (string $format) string DateTimeInterface::format (string $format) Procedural style string date_format (DateTimeInterface $object, string $format) Returns date formatted according to given format. PARAMETERS
o $object -Procedural style only: A DateTime object returned by date_create(3) o $format - Format accepted by date(3). RETURN VALUES
Returns the formatted date string on success or FALSE on failure. EXAMPLES
Example #1 DateTimeInterface.format(3) example Object oriented style <?php $date = new DateTime('2000-01-01'); echo $date->format('Y-m-d H:i:s'); ?> Procedural style <?php $date = date_create('2000-01-01'); echo date_format($date, 'Y-m-d H:i:s'); ?> The above example will output: 2000-01-01 00:00:00 NOTES
This method does not use locales. All output is in English. SEE ALSO
date(3). PHP Documentation Group DATETIMEINTERFACE.FORMAT(3)
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