----- test: cut -f 1  d_cut.in -----
1

12

qwe
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 2  d_cut.in -----
1

34
12

1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 3  d_cut.in -----
1

56

rty
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 1-2  d_cut.in -----
1

12	34
	12
qwe	
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 2,3  d_cut.in -----
1

34	56
12	
	rty
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 4  d_cut.in -----
1


34
uio
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 1-3,4-7  d_cut.in -----
1

12	34	56
	12		34	56
qwe		rty	uio	p[]	asd	
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm
----- test: cut -f 1,2-7  d_cut.in -----
1

12	34	56
	12		34	56
qwe		rty	uio	p[]	asd	
1

12:34:56
qwe:rty:uio:p[]:asd:fgh:jkl:zxc:vbn:nm
:qwe:::rty:uio::p[]:asd:fgh:jkl:zxc:vbn:nm