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expand
: Convert tabs to spaces
expand
writes the contents of each given file, or standard
input if none are given or for a file of `-', to standard
output, with tab characters converted to the appropriate number of
spaces. Synopsis:
expand [option]... [file]... |
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 `-t 8' (set
tabs every 8 columns).
The program accepts the following options. Also see 2. Common options.
On older systems, expand
supports an obsolete option
`-tab1[,tab2]...', where tabstops must be
separated by commas. POSIX 1003.1-2001 (see section 2.5 Standards conformance) does not allow this; use `-t
tab1[,tab2]...' instead.