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How to subtract the structure "Number in a robot"

How to subtract a number in Robot Framework What is the command for it ... for example, I get the score. i want to subtract -1 and display with a different value.

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If your variable contains an actual number, you can use the extended variable syntax . For example, this test will pass:

*** Variables ***
| ${count} | ${99} | # using ${} syntax coerces value to number

*** Test cases ***
| Example
| | Should be equal as numbers | ${count-1} | 98

You can also use the Evaluate keyword to create a python expression. For example:



*** Variables ***
| ${count} | 99

*** Test cases ***
| Example
| | ${count}= | Evaluate | ${count} - 1
| | Should be equal as numbers | ${count} | 98

Note: using Evaluate will work whether it is a ${count}

number or a string representation of a number.

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You can use the Evaluate keyword:



*** Test Cases ***
Stackoverflow
    ${x} =      Set Variable    1
    ${y} =      Evaluate    ${x} - 1
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An expression like this should work:

$ {token_expire_time} = Rate $ {token_generate_time} - $ {expires_in}

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If for some reason the conversion with $ {} doesn't seem to work, then feel free to use:

Convert to integer keyword

or

Convert to numeric

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