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README: modify Excel warning; include workaround.

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scoobybejesus 2020-11-14 17:11:00 -05:00
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@ -52,18 +52,20 @@ when appreciated cryptocurrency was used to make a tax-deductible charitable con
* Precision is limited to eight decimal places. Additional digits will be stripped during * Precision is limited to eight decimal places. Additional digits will be stripped during
import and may cause unintended rounding issues. import and may cause unintended rounding issues.
* Microsoft Excel. Don't let this cause you to bang your head against a wall. * Microsoft Excel. Don't let Excel cause you to bang your head against a wall.
Picture this scenario. You keep your transactions for your input file in a Google Sheet, Picture this scenario. You keep your transactions for your input file in a Google Sheet,
and you're meticulous about making sure it's perfect. and you're meticulous about making sure it's perfect.
You then download it as a CSV file and import it into `cryptools`. You then download it as a CSV file and import it into `cryptools`.
It works perfectly, and you have all your reports. It works perfectly, and you have all your reports.
Then you realize you'd like to quickly change a memo and re-run the reports, so you open the CSV file in Excel and edit it. Then you realize you'd like to quickly change a memo and re-run the reports, so you open the CSV file in Excel and edit it.
Then you import it into `cryptools` again and the program panics! Then you import it into `cryptools` again and the program panics!
What happened is most likely that Excel changed the rounding of your precise decimals underneath you! What happened is most likely that Excel changed the rounding of your precise decimals underneath you!
As a result, it appears your input file has been clearly incorrectly prepared Depending on the rounding, `cryptools` may think your input file has been incorrectly prepared
because it appears that you're spending more coins than you actually owned at that time. because you've supposedly spent more coins than you actually owned at that time.
`Cryptools` does not let you spend coins you don't own, and it will exit upon finding such a condition. `Cryptools` does not let you spend coins you don't own, and it will exit upon finding such a condition.
The program is right, and your data is right, but Excel modified your data, and it can be infuriating when the program crashes for "no reason." The program is right, and your data is right, but Excel modified your data, so the program crashed for "no reason."
The solution is to have Excel already open, then in the ribbon's Data tab, you'll import your CSV file "From Text."
You'll choose Delimited, and Comma, and then highlight every column and choose Text as the data type.
## Installation ## Installation