In [1]:

IRuby.display IRuby.table([1,2,[],3])
IRuby.display IRuby.table([1,2,[1,2,3],[2,3]])
IRuby.display IRuby.table({a:1,b:2,c:3})
IRuby.display IRuby.table([[11,12,13,14],[21,22,23],'not an Array',[31,32,33,34]])
IRuby.display IRuby.table({a:[11,12,13,14],b:[21,22,23],c:[31,32,33,34]})
IRuby.display IRuby.table([{a:1,b:2,c:3},'not an Array',{a:2,b:3,c:4,e:5}])
IRuby.display IRuby.table([{a:1,b:2,c:3, 0 => 0},{a:2,b:3,c:4,d:5},{0=>:x,1=>:y},[:a,:b,:c]])

1

2

3

1
2
1	2	3
2	3

a	b	c
1	2	3

11	12	13	14
21	22	23
not an Array
31	32	33	34

a	b	c
11	21	31
12	22	32
13	23	33
14		34

a	b	c	e
1	2	3
not an Array
2	3	4	5

a	b	c	0	d	1	2
1	2	3	0
2	3	4		5
			x		y
			a		b	c

In [2]:

IRuby.table (1..1000).map {|i| (1..1000).map {|j| i * j } }

Out[2]:

1	2	3	4	5	6	7	…	993	994	995	996	997	998	999
2	4	6	8	10	12	14		1986	1988	1990	1992	1994	1996	1998
3	6	9	12	15	18	21		2979	2982	2985	2988	2991	2994	2997
4	8	12	16	20	24	28		3972	3976	3980	3984	3988	3992	3996
5	10	15	20	25	30	35		4965	4970	4975	4980	4985	4990	4995
6	12	18	24	30	36	42		5958	5964	5970	5976	5982	5988	5994
7	14	21	28	35	42	49		6951	6958	6965	6972	6979	6986	6993
⋮							⋱	⋮
993	1986	2979	3972	4965	5958	6951	…	986049	987042	988035	989028	990021	991014	992007
994	1988	2982	3976	4970	5964	6958		987042	988036	989030	990024	991018	992012	993006
995	1990	2985	3980	4975	5970	6965		988035	989030	990025	991020	992015	993010	994005
996	1992	2988	3984	4980	5976	6972		989028	990024	991020	992016	993012	994008	995004
997	1994	2991	3988	4985	5982	6979		990021	991018	992015	993012	994009	995006	996003
998	1996	2994	3992	4990	5988	6986		991014	992012	993010	994008	995006	996004	997002
999	1998	2997	3996	4995	5994	6993		992007	993006	994005	995004	996003	997002	998001

In [3]:

IRuby.table Hash[(1..1000).map {|i| [i, (1..1000).map {|j| i * j }] }]

Out[3]:

1	2	3	4	5	6	7	…	993	994	995	996	997	998	999
1	2	3	4	5	6	7	…	993	994	995	996	997	998	999
2	4	6	8	10	12	14		1986	1988	1990	1992	1994	1996	1998
3	6	9	12	15	18	21		2979	2982	2985	2988	2991	2994	2997
4	8	12	16	20	24	28		3972	3976	3980	3984	3988	3992	3996
5	10	15	20	25	30	35		4965	4970	4975	4980	4985	4990	4995
6	12	18	24	30	36	42		5958	5964	5970	5976	5982	5988	5994
7	14	21	28	35	42	49		6951	6958	6965	6972	6979	6986	6993
⋮							⋱	⋮
993	1986	2979	3972	4965	5958	6951	…	986049	987042	988035	989028	990021	991014	992007
994	1988	2982	3976	4970	5964	6958		987042	988036	989030	990024	991018	992012	993006
995	1990	2985	3980	4975	5970	6965		988035	989030	990025	991020	992015	993010	994005
996	1992	2988	3984	4980	5976	6972		989028	990024	991020	992016	993012	994008	995004
997	1994	2991	3988	4985	5982	6979		990021	991018	992015	993012	994009	995006	996003
998	1996	2994	3992	4990	5988	6986		991014	992012	993010	994008	995006	996004	997002
999	1998	2997	3996	4995	5994	6993		992007	993006	994005	995004	996003	997002	998001

In [4]:

IRuby.display IRuby.table [[1,2],[3,4]], header: true
IRuby.display IRuby.table [[1,2],[3,4]], header: false
IRuby.display IRuby.table [[1,2],[3,4]]

IRuby.display IRuby.table [{a:1,b:2},{a:3,b:4}], header: true
IRuby.display IRuby.table [{a:1,b:2},{a:3,b:4}], header: false
IRuby.display IRuby.table [{a:1,b:2},{a:3,b:4}]


IRuby.display IRuby.table({a:[1,3],b:[2,4]}, header: true)
IRuby.display IRuby.table({a:[1,3],b:[2,4]}, header: false)
IRuby.display IRuby.table({a:[1,3],b:[2,4]})

0	1
1	2
3	4

1	2
3	4

1	2
3	4

a	b
1	2
3	4

1	2
3	4

a	b
1	2
3	4

a	b
1	2
3	4

1	2
3	4

a	b
1	2
3	4

In [5]:

IRuby.display IRuby.table({a:1,b:2,c:[3,4]})

a	b	c
1	2	3
		4

In [6]:

class Red < String
    def to_html
        "<span style='color:red'>#{self}</span>"
    end
end

IRuby.display IRuby.table({Red.new("a") => 1, b:2, c: [3, Red.new("4")]})

a	b	c
1	2	3
		4