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unexpand.1 (826B)
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1 .Dd October 8, 2015
2 .Dt UNEXPAND 1
3 .Os sbase
4 .Sh NAME
5 .Nm unexpand
6 .Nd unexpand spaces to tabs
7 .Sh SYNOPSIS
8 .Nm
9 .Op Fl a
10 .Op Fl t Ar tablist
11 .Op Ar file ...
12 .Sh DESCRIPTION
13 .Nm
14 converts spaces to tabs in each
15 .Ar file
16 as specified in
17 .Ar tablist .
18 If no file is given,
19 .Nm
20 reads from stdin.
21 .Pp
22 Backspace characters are preserved and decrement the column count
23 for tab calculations.
24 .Sh OPTIONS
25 .Bl -tag -width Ds
26 .It Fl a
27 Convert spaces to tabs everywhere, not just at the start of lines.
28 .It Fl t Ar tablist
29 Specify tab size or tabstops.
30 .Ar tablist
31 is a list of one (in the former case) or multiple (in the latter case)
32 strictly positive integers separated by ' ' or ','.
33 .Pp
34 The default
35 .Ar tablist
36 is "8".
37 .El
38 .Sh SEE ALSO
39 .Xr expand 1
40 .Sh STANDARDS
41 The
42 .Nm
43 utility is compliant with the
44 .St -p1003.1-2013
45 specification.
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