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NAME
expand - convert tabs to spaces
SYNOPSIS
expand [-tab1[,tab2[,...]]] [-t tab1[,tab2[,...]]] [-i]
[--tabs=tab1[,tab2[,...]]] [--initial] [file...]
DESCRIPTION
This manual page documents the GNU version of expand. expand 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 tab
characters converted to the appropriate number of spaces. By default,
expand converts all tabs to spaces. It preserves backspace characters in
the output; they decrement the column count for tab calculations. The
default action is equivalent to -8 (set tabs every 8 columns).
OPTIONS
-, -t, --tabs tab1[,tab2[,...]]
If only one tab stop is given, set the tabs tab1 spaces apart
instead of the default 8. Otherwise, set the tabs at columns tab1,
tab2, etc. (numbered from 0) and replace any tabs beyond the
tabstops given with single spaces. If the tabstops are specified
with the -t or --tabs option, they can be separated by blanks as
well as by commas.
-i, --initial
Only convert initial tabs (those that precede all non space or tab
characters) on each line to spaces.
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.