1----- test: cut -f 1 -d : d_cut.in -----
21
3
412	34	56
5	12		34	56
6qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
71
8
912
10qwe
11
12----- test: cut -f 2 -d : d_cut.in -----
131
14
1512	34	56
16	12		34	56
17qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
181
19
2034
21rty
22qwe
23----- test: cut -f 3 -d : d_cut.in -----
241
25
2612	34	56
27	12		34	56
28qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
291
30
3156
32uio
33
34----- test: cut -f 1-2 -d : d_cut.in -----
351
36
3712	34	56
38	12		34	56
39qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
401
41
4212:34
43qwe:rty
44:qwe
45----- test: cut -f 2,3 -d : d_cut.in -----
461
47
4812	34	56
49	12		34	56
50qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
511
52
5334:56
54rty:uio
55qwe:
56----- test: cut -f 4 -d : d_cut.in -----
571
58
5912	34	56
60	12		34	56
61qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
621
63
64
65p[]
66
67----- test: cut -f 1-3,4-7 -d : d_cut.in -----
681
69
7012	34	56
71	12		34	56
72qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
731
74
7512:34:56
76qwe:rty:uio:p[]:asd:fgh:jkl
77:qwe:::rty:uio:
78----- test: cut -f 1,2-7 -d : d_cut.in -----
791
80
8112	34	56
82	12		34	56
83qwe		rty	uio	p[]	asd		fgh	jkl	zxc	vbn	nm
841
85
8612:34:56
87qwe:rty:uio:p[]:asd:fgh:jkl
88:qwe:::rty:uio:
89