Dynamic variables to store different value in a for loop in Robot Framework

Question

I am trying the below steps but it throws an error: '${dut1_lmepid_${i}}' no keyword found.

If I use anything like ${temp_var} in place of ${dut1_lmepid_${i}} it works fine though.

: For    ${i}    IN RANGE    1    2
\    ${var} =    Set Variable    dut1_lmepid_${i}
\    ${dut1_lmepid_${i}}=    Run Keyword    get-local-ac-id    me${i}

Why do you need to dynamically create new variable names? What's wrong with using {temp_var}? If you need to save all of the variables, have you considered using a dictionary or list instead of a bunch of generated variables? — Bryan Oakley
– Bryan Oakley, Commented Jan 7, 2020 at 15:24
Yes, I made use of list to store the values instead of creating dynamic variables. — user380696
– user380696, Commented Jan 10, 2020 at 6:56

A. Kootstra · Accepted Answer · 2020-01-07 12:51:39Z

2

It is possible to do this using a second step using the keyword Set Global Variable:

*** Test Cases ***
Test Item
    :For    ${i}    IN RANGE    1    5
    \    ${value} =    Run Keyword    get-local-ac-id    me ${i}
    \     Set Global Variable     ${dut1_lmepid_${i}}    ${value}
    No Operation

*** Keywords ***
get-local-ac-id
    [Arguments]    ${arg}
    [Return]    value ${arg}

answered Jan 7, 2020 at 12:51

A. Kootstra

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2 Comments

Brian O'Neill Over a year ago

I think you cal also use Set Suite Variable and Set Test Variable in same way

A. Kootstra Over a year ago

Correct. The scope does not need to be Global, it can be Suite or Test level.

Laurent Bristiel · Accepted Answer · 2020-01-07 07:42:27Z

1

This is currently not possible with Robot. You can use "variables inside variables" to resolve the values of variables (see the documentation on this topic) but not to resolve/set the name of the variable itself.

answered Jan 7, 2020 at 7:42

Laurent Bristiel

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