Description Usage Arguments Examples
Return value X (TRUE by default) unless the variable is defined. If defined, it returns the variable.
1 | unless.specified(NameOfaVariable, def = TRUE)
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NameOfaVariable |
Name of a possibly defined variable to be tested. |
def |
Default return value |
1 | unless.specified("xsadasf32", 2); Num = 22; unless.specified("Num", 1); unless.specified("c", 333)
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