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unexpand.0
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UNEXPAND(1L) UNEXPAND(1L)
NNAAMMEE
unexpand - convert spaces to tabs
SSYYNNOOPPSSIISS
uunneexxppaanndd [-tab1[,tab2[,...]]] [-t tab1[,tab2[,...]]] [-a]
[--tabs=tab1[,tab2[,...]]] [--all] [--help] [--version]
[file...]
DDEESSCCRRIIPPTTIIOONN
This manual page documents the GNU version of uunneexxppaanndd.
uunneexxppaanndd writes the contents of each given file, or the
standard input if none are given or when a file named `-'
is given, to the standard output, with strings of two or
more space or tab characters converted to as many tabs as
possible followed by as many spaces as are needed. By
default, uunneexxppaanndd converts only initial spaces and tabs
(those that precede all non space or tab characters) on
each line. It preserves backspace characters in the out-
put; they decrement the column count for tab calculations.
By default, tabs are set at every 8th column.
OOPPTTIIOONNSS
_-_, _-_t_, _-_-_t_a_b_s _t_a_b_1_[_,_t_a_b_2_[_,_._._._]_]
If only one tab stop is given, set the tabs _t_a_b_1
spaces apart instead of the default 8. Otherwise,
set the tabs at columns _t_a_b_1, _t_a_b_2, etc. (numbered
from 0) and leave spaces and tabs beyond the tab-
stops given unchanged. If the tabstops are speci-
fied with the _-_t or _-_-_t_a_b_s option, they can be sep-
arated by blanks as well as by commas. This option
implies the _-_a option.
_-_a_, _-_-_a_l_l
Convert all strings of two or more spaces or tabs,
not just initial ones, to tabs.
_-_-_h_e_l_p Print a usage message and exit with a non-zero sta-
tus.
_-_-_v_e_r_s_i_o_n
Print version information on standard error then
exit.
FSF GNU Text Utilities 1