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Need help with "date" in ksh script

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Top Forums Shell Programming and Scripting Need help with "date" in ksh script
# 8  
Old 12-19-2016
With this sort of thing I like to just get epoch times for the dates I'm working with and then use simple integer math to navigate like this:

Code:
#!/bin/ksh

TEMP=/file/home/test.txt
trap "rm -f $TEMP" SIGHUP SIGINT EXIT

day=$(printf "%(%s)T" "last month")
to=$(printf "%(%s)T" "this month")

while [ $day -lt $to ]
do
   w=$(printf "%(%Y-%m-%d)T\n" \#$day)
   XXX=$(grep $w /honey/logs/statistics/s* | wc -l )
   echo "S" $w " :"$XXX >> $TEMP
   let day=day+60*60*24
done
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LEARN ABOUT PHP

px_date2string

PX_DATE2STRING(3)														 PX_DATE2STRING(3)

px_date2string - Converts a date into a string.

SYNOPSIS

       string px_date2string (resource	$pxdoc, int  $value, string  $format)

DESCRIPTION

	Turns  a date as it stored in the paradox file into human readable format. Paradox dates are the number of days since 1.1.0000. This func-
       tion is just for convenience. It can be easily replaced by some math and the calendar functions as demonstrated in the example below.

PARAMETERS

	      o $pxdoc
		- Resource identifier of the paradox database as returned by px_new(3).

	      o $value
		- Value as stored in paradox database field of type PX_FIELD_DATE.

	      o $format
		- String format similar to the format used by date(3). The placeholders support by this function is a subset of those supported by
		date(3) (Y, y, m, n, d, j, L).

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      Turn a paradox date into a human readable form

	      <?php
	      $px = px_new();

	      /* make up a date as it could be stored in */
	      /* a date field of a paradox db. */
	      /* 700000 days since 1.1.0000. */
	      $days = 700000;

	      /* Use the calendar functions to print a */
	      /* human readable format of the date */
	      echo jdtogregorian($days+1721425)."
";
	      /* px_date2string() outputs the same */
	      echo px_date2string($px, $days, "n/d/Y")."
";

	      px_delete($px);
	      ?>

	      The above example will output:

	      7/15/1917
	      7/15/1917

SEE ALSO

       px_timestamp2string(3), jdtogregorian(3).

PHP Documentation Group 													 PX_DATE2STRING(3)