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Forum Index : Microcontroller and PC projects : Format a string

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palcal

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Joined: 12/10/2011
Location: Australia
Posts: 1989

Posted: 09:09pm 08 Jan 2025

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PicoW with the latest firmware.
I am printing days of the week to LCDPanel using Day$(Date$) , when Wednesday (9 characters) is replaced with Thursday ( 8 characters) the ends of Wednesday are still on the screen. How can I format Day$(Date$) to have 9 characters or another way of doing it. I tried (Day$Date$,9) that tells me I need a closing bracket? and searched the manual.

"It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all"

phil99

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Joined: 11/02/2018
Location: Australia
Posts: 2611

Posted: 09:41pm 08 Jan 2025

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There 3 methods I use to erase old text.

1) Precede each Text statement with an identical one containing a sting of spaces equal to the longest word.

2) Precede each Text statement with a BOX command that clears the Text space.

3) Add padding spaces to short words to clear the space after shorter words. Spaces can also be added to the start if the text is aligned to the middle.

eg "Sunday"+" " will cover "Thursday"+" ".

Edit.
A variation on 1) would be precede each Text with a repeat of the previous Text with the foreground colour the same as the background.
Edited 2025-01-09 07:48 by phil99

palcal

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Joined: 12/10/2011
Location: Australia
Posts: 1989

Posted: 04:08am 09 Jan 2025

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Thanks Phil.

"It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all"

phil99

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Joined: 11/02/2018
Location: Australia
Posts: 2611

Posted: 05:13am 09 Jan 2025

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And another to get exact padding of spaces.

TEXT 33, 33, Day$(Date$)+space$(9-len(Day$(Date$)))

palcal

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Joined: 12/10/2011
Location: Australia
Posts: 1989

Posted: 05:25am 09 Jan 2025

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Thanks Phil.

"It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all"

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