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Forum Index : Microcontroller and PC projects : date$() time$() trailing chars?

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ville56
Senior Member

Joined: 08/06/2022
Location: Austria
Posts: 290
Posted: 06:34pm 17 Mar 2023
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Hi,

just encountered trailing chars in date$() and time$() functions. E.g.

print time$(now) returns "19:28:07 0" and
print date$(now) returns "17-03-21 0"

datetime$ seems to be not affected.

This bug(?) applies to Pico and PicoWeb, both latest versions.

Reagrds,
Gerald
                                                                 
73 de OE1HGA, Gerald
 
twofingers

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Joined: 02/06/2014
Location: Germany
Posts: 1682
Posted: 06:58pm 17 Mar 2023
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Hi Gerald,

I think "now" is interpreted as a regular variable.

I.e. you get the result of Date$ plus the variable "now", which in your case is "0".
Try your entries after "Option explicit".
Edited 2023-03-18 05:03 by twofingers
causality ≠ correlation ≠ coincidence
 
ville56
Senior Member

Joined: 08/06/2022
Location: Austria
Posts: 290
Posted: 07:14pm 17 Mar 2023
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thanks twofingers,

you are absolutely right. Overlooked that there are no arguments with that functions. Retrospectively I would have expected a syntax error, but be it as it is.

tnx agn,
Gerald
                                                                 
73 de OE1HGA, Gerald
 
toml_12953
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Joined: 13/02/2015
Location: United States
Posts: 490
Posted: 04:04am 18 Mar 2023
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  ville56 said  thanks twofingers,

you are absolutely right. Overlooked that there are no arguments with that functions. Retrospectively I would have expected a syntax error, but be it as it is.

tnx agn,
Gerald


When someone asked Yogi Berra*, "Yogi, what time is it?"
He answered, "You mean now?"

* Yogi was an American baseball player known for his offbeat speech
 
Geoffg

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Joined: 06/06/2011
Location: Australia
Posts: 3308
Posted: 08:07am 18 Mar 2023
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  ville56 said  Retrospectively I would have expected a syntax error

This illustrates one of the problems with parsing expressions.

Date$ is a valid function that returns the date.  (now) is a perfectly OK (if odd) expression which resolves to the variable now which defaults to zero.  Put the two together and you have a completely correct BASIC expression which does not do what you expected.

Geoff
Geoff Graham - http://geoffg.net
 
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