Convert string (YYYYMMDD) format to date in Sun OS Post: 303015087

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Operating Systems Solaris Convert string (YYYYMMDD) format to date in Sun OS Post 303015087 by vgersh99 on Tuesday 27th of March 2018 02:30:19 PM

Old

03-27-2018

Moderator

a bit verbose, but you could start here - isWed.sh:

Code:

#!/bin/bash

if [ ${#} -ne 1 ];then
   echo "invalid number of arguments : ${0} YYYYMMDD"
   exit 1
fi

d="${1}"
# wed from cal
dayOFweek=4

YEAR=${d%????}
DAY=${d#??????}
MON=${d#$YEAR}
MON=${MON%$DAY}
echo $YEAR/$MON/$DAY

dow=$(cal "${MON}" "${YEAR}" | awk -v day="${DAY}" '
  FNR==2 {split($0,daysA)}
  FNR > 2 {
    for(i=1; i <= NF; i++)
      if ( $i == day) {
        #printf("day->[%d] row->[%d]\n", $i, FNR-2)
        #printf("%d\n", (NF == 7 || FNR!=3) ? i-1 : i+(6-NF))
        printf("%d\n", (NF == 7 || FNR!=3) ? i : i+(6-NF)+1)
        exit
      }
  }
')

if [ ${dow} -eq ${dayOFweek} ]; then
   echo yes
else
   echo no
fi

isWed.sh 20180329
isWed.sh 20180328

Last edited by vgersh99; 03-27-2018 at 04:06 PM..

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mojo::date

Mojo::Date(3pm) 					User Contributed Perl Documentation					   Mojo::Date(3pm)

NAME

       Mojo::Date - HTTP 1.1 date container

SYNOPSIS

	 use Mojo::Date;

	 my $date = Mojo::Date->new(784111777);
	 my $http_date = $date->to_string;
	 $date->parse('Sun, 06 Nov 1994 08:49:37 GMT');
	 my $epoch = $date->epoch;

DESCRIPTION

       Mojo::Date implements HTTP 1.1 date and time functions according to RFC 2616.

	 Sun, 06 Nov 1994 08:49:37 GMT	; RFC 822, updated by RFC 1123
	 Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
	 Sun Nov  6 08:49:37 1994	; ANSI C's asctime() format

ATTRIBUTES

       Mojo::Date implements the following attributes.

   "epoch"
	 my $epoch = $date->epoch;
	 $date	   = $date->epoch(784111777);

       Epoch seconds.

METHODS

       Mojo::Date inherits all methods from Mojo::Base and implements the following new ones.

   "new"
	 my $date = Mojo::Date->new;
	 my $date = Mojo::Date->new($string);

       Construct a new Mojo::Date object.

   "parse"
	 $date = $date->parse('Sun Nov	6 08:49:37 1994');

       Parse date in one of the following formats.

	 - Epoch format(784111777)
	 - RFC 822/1123 (Sun, 06 Nov 1994 08:49:37 GMT)
	 - RFC 850/1036 (Sunday, 06-Nov-94 08:49:37 GMT)
	 - ANSI C asctime() (Sun Nov  6 08:49:37 1994)

   "to_string"
	 my $string = $date->to_string;

       Render date suitable for HTTP 1.1 messages.

SEE ALSO

       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.

perl v5.14.2							    2012-09-05							   Mojo::Date(3pm)