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Full Discussion: Urgent for date increment
Top Forums UNIX for Beginners Questions & Answers Urgent for date increment Post 303040027 by RudiC on Tuesday 22nd of October 2019 06:18:36 AM
Old 10-22-2019
If you want to reduce the number of date executions, try also (given your shell offers "process substitution", and date has the -f option):

Code:
$ DAYS=20
$ STARTDT=$(date +%s)
$ ENDDT=$((STARTDT + 86400 * DAYS))
 $ for ((STARTDT; STARTDT<ENDDT; STARTDT+=86400)); do echo @$STARTDT; done > >(date -f-)

EDIT: or even
Code:
for ((; (STARTDT+=86400)<ENDDT;  )); do echo @$STARTDT; done > >(date -f-)


Last edited by RudiC; 10-22-2019 at 08:13 AM..
This User Gave Thanks to RudiC For This Post:
 

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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)
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