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This is a minified version of the PrintMax procedure (originally written by Ben Dill). It's created as a temporary procedure.
IF OBJECT_ID('tempdb..#PrintMax') IS NOT NULL DROP PROC #PrintMax;
GO
CREATE PROCEDURE #PrintMax @str NVARCHAR(MAX)
AS
BEGIN
IF (@str IS NULL) RETURN;
DECLARE @LBindex INT,@len INT;
SET @len = 4000;
WHILE (LEN(@str) > @len) BEGIN
SET @LBindex = CHARINDEX((CHAR(10) + CHAR(13)) COLLATE database_default, REVERSE(LEFT(@str, @len)) COLLATE database_default);
IF @LBindex = 0 AND @str COLLATE database_default LIKE N'%' + CHAR(13) + CHAR(10) + N'%'
SET @LBindex = CHARINDEX((N',') COLLATE database_default, REVERSE(LEFT(@str, @len)) COLLATE database_default);
PRINT LEFT(@str, @len - @LBindex + 1);
SET @str = RIGHT(@str, LEN(@str) - @len + @LBindex - 1);
END;
IF (LEN(@str) > 0) PRINT @str;
END;
GO
@EitanBlumin

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commented Jul 16, 2019

Added fix for edge case where a single line is too long (break by comma instead of endline)

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