Return the length of the data area
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WSupported on Windows
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USupported on Unix
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VSupported on OpenVMS
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NSupported in Synergy .NET
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The %LEN routine is deprecated; we recommend you use the ^SIZE data reference operation instead. It is more efficient than either %LEN or LEN. |
length = %LEN(variable)
or
xcall LEN(length, variable)
Return value
length
The variable that will be loaded with the length of the specified variable. If the variable is a null argument, a length of -1 is returned. (n)
Arguments
variable
A variable whose length will be returned. (a or n)
Discussion
%LEN returns the length of the data area referenced by the specified variable.
