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unexpand.1
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UNEXPAND(1L) MISC. REFERENCE MANUAL PAGES UNEXPAND(1L)
NAME
unexpand - convert spaces to tabs
SYNOPSIS
unexpand [-tab1[,tab2[,...]]] [-t tab1[,tab2[,...]]] [-a]
[--tabs=tab1[,tab2[,...]]] [--all] [file...]
DESCRIPTION
This manual page documents the GNU version of unexpand.
unexpand 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 possi-
ble followed by as many spaces as are needed. By default,
unexpand converts only initial spaces and tabs (those that
precede all non space or tab characters) on each line. It
preserves backspace characters in the output; they decrement
the column count for tab calculations. By default, tabs are
set at every 8th column.
OPTIONS
-, -_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 tabstops given
unchanged. If the tabstops are specified with the -_t
or --_t_a_b_s option, they can be separated 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.
The long-named options can be introduced with `+' as well as
`--', for compatibility with previous releases. Eventually
support for `+' will be removed, because it is incompatible
with the POSIX.2 standard.
Sun Release 4.1 Last change: 1