#command cdx filegen -c grid -c null -c expr,float,line^col -c null -h -m 3,expr,line*col
#stdout
 CDX	c1	c2	c3	c4	c5	c6	c7
1_1		1e0		5	6	7
2_1		8e0		10	12	14
3_1		2.7e1		15	18	21
4_1		6.4e1		20	24	28
5_1		1.25e2		25	30	35
6_1		2.16e2		30	36	42
7_1		3.43e2		35	42	49
8_1		5.12e2		40	48	56
9_1		7.29e2		45	54	63
10_1		1e3		50	60	70