::hwat::xml::GetAttributeValueByIndex

Retrieve the attribute value at a given index for a given attribute list.

Syntax

::hwat::xml::GetAttributeValueByIndex str_attrList n_index

Arguments

str_attrList
The interlaced list of attribute names and values.
n_index
The index of the attribute of interest. If not given, defaults to index of 0.
Optional.

Returns

Success
Value of attribute in list.
Failure
{}

Example

::hwat::xml::GetAttributeValueByIndex [list var1 0 var2 1 var3 2] 2

Comments

This can be a useful helper function for authoring your callbacks.