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sort.1 (1919B)
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1 .Dd February 17, 2016
2 .Dt SORT 1
3 .Os sbase
4 .Sh NAME
5 .Nm sort
6 .Nd sort lines
7 .Sh SYNOPSIS
8 .Nm
9 .Op Fl Cbcdfimnru
10 .Op Fl o Ar outfile
11 .Op Fl t Ar delim
12 .Op Fl k Ar key ...
13 .Op Ar file ...
14 .Sh DESCRIPTION
15 .Nm
16 writes the sorted concatenation of each
17 .Ar file
18 to stdout.
19 If no
20 .Ar file
21 is given
22 .Nm
23 reads from stdin.
24 .Sh OPTIONS
25 .Bl -tag -width Ds
26 .It Fl C
27 Check that the concatenation of the given
28 .Ar files
29 is sorted rather than sorting them.
30 In this mode, no output is printed to stdout, and the exit status
31 indicates the result of the check.
32 .It Fl b
33 Skip leading whitespace of columns when sorting.
34 .It Fl c
35 The same as
36 .Fl C
37 except that when disorder is detected, a message is written to stderr
38 indicating the location of the disorder.
39 .It Fl d
40 Skip non-whitespace and non-alphanumeric characters.
41 .It Fl f
42 Ignore letter case when sorting.
43 .It Fl i
44 Skip non-printable characters.
45 .It Fl k Ar key
46 Specify a key definition of the form
47 .Sm off
48 .Sy S
49 .No [.
50 .Sy s
51 .No ][
52 .Sy f
53 .No ][,
54 .Sy E
55 .No [.
56 .Sy e
57 .No ][
58 .Sy f
59 .No ]]
60 .Sm on
61 where
62 .Sy S , s , E
63 and
64 .Sy e
65 are the starting column, starting character in that column, ending colum…
66 the ending character of that column respectively.
67 If they are not specified,
68 .Sy s
69 refers to the first character of the specified starting column,
70 .Sy E
71 refers to the last column of every line, and
72 .Sy e
73 refers to the last character of the ending column.
74 .Sy f
75 can be used to specify options
76 .Sy ( n , b )
77 that only apply to this key definition.
78 .Sy b
79 is special in that it only applies to the column that it was specified a…
80 .It Fl m
81 Assume sorted input, merge only.
82 .It Fl n
83 Perform a numeric sort.
84 .It Fl o Ar outfile
85 Write output to
86 .Ar outfile
87 rather than stdout.
88 .It Fl r
89 Reverses the sort.
90 .It Fl t Ar delim
91 Set
92 .Ar delim
93 as the field delimiter.
94 .It Fl u
95 Print equal lines only once.
96 .El
97 .Sh STANDARDS
98 The
99 .Nm
100 utility is compliant with the
101 .St -p1003.1-2013
102 specification.
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