Subversion Repositories wimsdev

!if $wims_read_parm!=slib_header

  !goto proc

!endif

slib_author=Bernadette, Perrin-Riou

slib_title=Date

slib_parms=2\

 ,first date (written in format ddmmyyyy)\

 ,second date (written in format ddmmyyyy), or number of days to add\

diff,option as diff, add

slib_out=<ul><li>with parameter <code>diff</code> (default), returns the number of days between the two dates.</li>\

  <li>with parameter <code>add</code>, returns the new date obtaining by adding the date plus the number of days</li>\

  <li>with parameter <code>add</code>, you can also add the parameter <code>item</code> to return\

   the date in a comma separated values format or the parameter <code>nospace</code> \

   to return a compacted format date (ddmmyyyy).</li></ul>

slib_example=12022013,18082013,diff\

12022013,13022013,diff\

12022013,18082013,diff\

18082013,12022013\

17012012,10092014\

12022013,0,add\

12022013,20,add\

04032013,-20,add\

12022013,3,add item\

18082013,365,add nospace

!exit

:proc

!distribute item $wims_read_parm into slib_date1, slib_date2, slib_option

!if add isin $slib_option

  slib_date1=!nospace $slib_date1

  slib_date1=!text expand $slib_date1 using 01101101111

  slib_date1=!exec date.pl 1 $slib_date1

  slib_date2=!exec pari $slib_date1 + ($slib_date2)*86400

  slib_date2=!exec date.pl 2 $slib_date2

  slib_out=!word 1 to 3 of $(slib_date2)

  !if nospace isin $slib_option

    slib_out=!nospace $slib_out

  !endif

  !if item isin $slib_option

    slib_out=!words2items $slib_out

  !endif

!else

  slib_date1=!text expand $slib_date1 using 01101101111

  slib_date2=!text expand $slib_date2 using 01101101111

  slib_date1=!exec date.pl 1 $slib_date1

  slib_date2=!exec date.pl 1 $slib_date2

  !! not always an integer because of the time change

  slib_out=$[round(($slib_date2 - $slib_date1)/86400)]

!endif