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Using SUBSTRING based on line number instead of character offset

Suppose we’re running one or more dynamic SQL commands in SQL Server, and we’re getting an error from somewhere within it.

But, to make things interesting, let’s suppose that we’re running a large number of such dynamic SQL commands within a loop, each constructed a bit differently, and we’re finding it difficult to pinpoint which of the dynamic commands is causing the error, and which SQL statement it is exactly.

Could we, perhaps, print the relevant code section based on the error line reported in the CATCH block?