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String as a signal name in a FPScript formula

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  • Januar 12, 2004 um 10:20 pm Uhr #12536
    jasmina.zlender@erl16.siemens.dejasmina.zlender@erl16.siemens.de
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    There is a string in a FlexPro formula. How to call a signal that has the same name as the value of a string?

    Januar 12, 2004 um 10:33 pm Uhr #8199
    jasmina.zlender@erl16.siemens.dejasmina.zlender@erl16.siemens.de
    Mitglied

    There is a string in a FlexPro formula. How to call a signal that has the same name as the value of a string?

    Januar 12, 2004 um 10:33 pm Uhr #8869
    Bernhard KantzBernhard Kantz
    Teilnehmer

    Do do that, you need to use the FPScript “Indirection” operator $“String”$. E g.:

    
$"\Data\Signal1"$             // equal to DataSignal1

    Note that the backslash characters have to be doubled because the backslash is the escape character in FPScript strings!

    You can use the indirection op to call functions also:

    
$"sin"$(1)          // equal to sin(1)

    Note that instead of literally specifying the string it is of course possible to use a variable which contains the string.

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