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Groups > comp.sys.acorn.programmer > #5797

Re: Dates as numbers in BASIC

Subject Re: Dates as numbers in BASIC
Newsgroups comp.sys.acorn.programmer
From Alan Adams <alan@adamshome.org.uk>
Date 2019-06-27 12:08 +0100
Message-ID <8759a9ca57.Alan.Adams@ArmX6.adamshome.org.uk> (permalink)
References <bbb9c2c957.Kevin@talktalk.net> <0cb5c9c957.harriet@blueyonder.co.uk> <57ca5d74e5a.m.conroy@owlart.co.uk> <57ca61b0cda.m.conroy@owlart.co.uk>
Organization Orpheus Internet Services

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In message <57ca61b0cda.m.conroy@owlart.co.uk>
          Andrew Conroy <a.m.conroy@owlart.co.uk> wrote:

> In article <57ca5d74e5a.m.conroy@owlart.co.uk>,
>    Andrew Conroy <a.m.conroy@owlart.co.uk> wrote:
>> In article <0cb5c9c957.harriet@blueyonder.co.uk>,
>>    Harriet Bazley <harriet@bazleyfamily.co.uk> wrote:
>>> On 25 Jun 2019 as I do recall,
>>>           Kevin Wells  wrote:

>>>> Hi
>>>>
>>>> How can you get the month as a number instead of the 3 letter
>>>> shorterned name e.g?
>>>>
>>>> 06 instread of Jun

>>>  Use OS_Word 14 to read the computer's clock as a 5-byte time value,
>>>  then pass the resulting area of memory to OS_ConvertDateAndTime.

>>> The format string for a three-letter shortened month name is %M3 and
>>> for the month in numbers is %MN - see manuals.

>> Or OS_ConvertDateAndTime or, better still,
>> Territory_ConvertTimeToOrdinals to convert any 5 byte time block rather
>> than just the current time. You'll then have to parse the result to get
>> just the month.


> There's also Territory_TimeStringToOrdinals which might be easier. Feed
> in a dummy time string with the desired month in it, and back comes the
> month number at offset &14 in the buffer.

> Andrew

For example:

DIM wlib_block% 256

DEF FNclocktime
=FNclocktime2("%24:%MI:%SE")

DEF FNclocktime2(format$)
LOCAL rsize%,localtime%,result%
IF LEN(format$) > 127 THEN format$=LEFT$(format$,127)
localtime%=wlib_block%
result%=wlib_block%+60
rsize%=128
?localtime%=3
SYS "OS_Word",14,localtime%
SYS "Territory_ConvertDateAndTime",-1,localtime%,result%,rsize%,format$ TO 
,rsize%
REM SYS "OS_ConvertDateAndTime",localtime%,result%,rsize%,format$ TO 
,rsize%
?rsize%=13
=$result%

For your case:

FNclocktime2("%M3")

will return the current 3-letter month.


-- 
Alan Adams, from Northamptonshire
alan@adamshome.org.uk
http://www.nckc.org.uk/

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Thread

Dates as numbers in BASIC Kevin Wells <kev@kevsoft.co.uk> - 2019-06-25 18:09 +0100
  Re: Dates as numbers in BASIC "John Williams (News)" <UCEbin@tiscali.co.uk> - 2019-06-25 18:45 +0100
  Re: Dates as numbers in BASIC Paul Oates <oatespaul@btinternet.com> - 2019-06-25 19:00 +0100
    Re: Dates as numbers in BASIC news@sprow.co.uk - 2019-06-27 05:47 -0700
      Re: Dates as numbers in BASIC Kevin Wells <kev@kevsoft.co.uk> - 2019-06-29 12:23 +0100
      Re: Dates as numbers in BASIC jgh@mdfs.net - 2019-07-03 11:47 -0700
  Re: Dates as numbers in BASIC Harriet Bazley <harriet@bazleyfamily.co.uk> - 2019-06-25 19:25 +0100
    Re: Dates as numbers in BASIC Andrew Conroy <a.m.conroy@owlart.co.uk> - 2019-06-26 22:19 +0100
      Re: Dates as numbers in BASIC Andrew Conroy <a.m.conroy@owlart.co.uk> - 2019-06-26 23:05 +0100
        Re: Dates as numbers in BASIC Alan Adams <alan@adamshome.org.uk> - 2019-06-27 12:08 +0100
          Re: Dates as numbers in BASIC Alan Adams <alan@adamshome.org.uk> - 2019-06-27 13:32 +0100

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