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Top Forums Shell Programming and Scripting Date after 5 days from current date in YYYYMMDD format Post 302458044 by vbe on Wednesday 29th of September 2010 11:50:19 AM
Old 09-29-2010
You would have to write a script which takes in account for instance like today:
we are month=09 day=29
If you add 5 to 29, you are a bit out of day range... ( you would have to reset day (+4) and add 1 to month value...)

---------- Post updated at 17:50 ---------- Previous update was at 17:31 ----------

Some clues:

# with this date format month position is 99 to 9999 and day 9 to 99 so:
Code:
ant:/home/vbe $ IN5DAYS=$(expr $(date +%Y%m%d) + 105);echo $IN5DAYS 
20101034      # 34 days sep had 30 so:
ant:/home/vbe $ IN5DAYS=$(expr $IN5DAYS - 30);echo $IN5DAYS        
20101004
octant:/home/vbe $

 

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hdate_struct(3) 						libhdate C language						   hdate_struct(3)

NAME
hdate_struct - libhdate Hebrew date struct SYNOPSIS
#include <hdate.h> Data Fields int hd_day int hd_mon int hd_year int gd_day int gd_mon int gd_year int hd_dw int hd_size_of_year int hd_new_year_dw int hd_year_type int hd_jd int hd_days int hd_weeks Detailed Description libhdate Hebrew date struct Field Documentation int hdate_struct::hd_day The number of day in the hebrew month (1..31). int hdate_struct::hd_mon The number of the hebrew month 1..14 (1 - tishre, 13 - adar 1, 14 - adar 2). int hdate_struct::hd_year The number of the hebrew year. int hdate_struct::gd_day The number of the day in the month. (1..31) int hdate_struct::gd_mon The number of the month 1..12 (1 - jan). int hdate_struct::gd_year The number of the year. int hdate_struct::hd_dw The day of the week 1..7 (1 - sunday). int hdate_struct::hd_size_of_year The length of the year in days. int hdate_struct::hd_new_year_dw The week day of Hebrew new year. int hdate_struct::hd_year_type The number type of year. int hdate_struct::hd_jd The Julian day number int hdate_struct::hd_days The number of days passed since 1 tishrey int hdate_struct::hd_weeks The number of weeks passed since 1 tishrey Author Generated automatically by Doxygen for libhdate C language from the source code. Version 1.4 Sun Jan 8 2012 hdate_struct(3)
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