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Purpose
To determine the line number of a string within a multi-line string
Syntax
AtLineNum(<cSearchFor>, <cSearchIn> ) nNumber
Argument
<cSearchFor> is the character string to search for
<cSearchIn> is the character string to search
Returns
AtLineNum() returns a numeric indicating the line number of <cSearchFor> within <cSearchIn>. If <cSearchFor> is not found, AtLineNum() returns 0.