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Amiga MA Magazine 1998 #6
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amigamamagazinepolishissue1998.iso
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coders
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jËzyki_programowania
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ace_basic
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shellutils
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days.b
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1995-08-21
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644b
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{ ** show the number of days difference between two dates **
(illustrates the use of julday and calday$ subprograms in julian.h)
Author: David J Benn
Date: 9th April 1993 }
#include <julian.h>
if argcount=2 then
dt1$=arg$(1) : if ucase$(dt1$)="TODAY" then dt1$=date$
dt2$=arg$(2) : if ucase$(dt2$)="TODAY" then dt2$=date$
jd1 = julday(dt1$)
jd2 = julday(dt2$)
print "There is a difference of";abs(jd2-jd1);"days between ";
print calday$(jd1);" and ";calday$(jd2);"."
else
print "usage: days <date1>|today <date2>|today"
print " where date1 & date2 are strings"
print " of the form mm-dd-yyyy."
end if