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Manipulating time in REXX

 
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psridhar
Beginner


Joined: 16 May 2004
Posts: 68
Topics: 26
PostPosted: Fri Feb 17, 2006 8:37 am    Post subject: Manipulating time in REXX Reply with quote
Hi

I have two times with me (ex: 21:45 and 22:05). Is there a way to find its difference in REXX and display it. The result for the above example should be 00:20. Simillarly, a way for adding two times like 21:45 + 00:20 = 22:05 etc...

Thanks in advance
Sridhar P
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danm
Intermediate


Joined: 29 Jun 2004
Posts: 170
Topics: 73
PostPosted: Fri Feb 17, 2006 9:52 am    Post subject: Reply with quote
Code:

/* REXX Program CalTime */
parse arg time1 operator time2
parse var time1 hh1 ':' mm1 ':' .
parse var time2 hh2 ':' mm2 ':' .
If operator = '+' then time = (hh2 * 60 + mm2) + (hh1 * 60 + mm1)
Else time = abs((hh2 * 60 + mm2) - (hh1 * 60 + mm1))
say right(time % 60,2,'0')':'right(time // 60,2,0)


CalTime 21:45 - 22:05 Returns 00:20
CalTime 21:45 + 00:20 Returns 22:05
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psridhar
Beginner


Joined: 16 May 2004
Posts: 68
Topics: 26
PostPosted: Fri Feb 17, 2006 10:17 am    Post subject: Reply with quote
Hi

Thank you for such a simple, wise idea.

Great........

Thanks again
Sridhar P
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Fri Feb 17, 2006 11:09 am    Post subject: Reply with quote
danm,

you should include the checking of 24 hours in case of summing minutes.

ex: 23:59

add 10 minutes.

should return 00.09 instead of 24:09

Kolusu
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