Script to grant exec permission to all sps in a db

USE [databaseName]
Go
---*********ADD EXEC PERMS TO ALL SPS******--------------
DECLARE @cmd varchar(8000)
DECLARE @objectCount int
DECLARE @OwnerName varchar(128)
DECLARE @ObjectName varchar(128)
DECLARE @user VARCHAR(100) = 'myuser';

CREATE TABLE #StoredProcedures
(OID int IDENTITY (1,1),
StoredProcOwner varchar(128) NOT NULL,
StoredProcName varchar(128) NOT NULL)


INSERT INTO #StoredProcedures (StoredProcOwner, StoredProcName)
SELECT 
u.[Name], 
o.[Name]
FROM 
dbo.sysobjects o
INNER JOIN dbo.sysusers u
ON o.uid = u.uid
WHERE o.Type = 'P';


SELECT @objectCount = MAX(OID) FROM #StoredProcedures

WHILE @objectCount > 0
BEGIN


SELECT @OwnerName = StoredProcOwner,
@ObjectName = StoredProcName
FROM #StoredProcedures
WHERE OID = @objectCount


SELECT @cmd = 'GRANT EXEC ON ' + '[' + @OwnerName + ']' + '.' + '[' + @ObjectName + ']' + ' TO ' + @user

SELECT @cmd;

EXEC(@cmd);


SET @objectCount = @objectCount- 1;

END

DROP TABLE #StoredProcedures;