coreutils/doc/coreutils.texi

67 * expand: (coreutils)expand invocation.         Convert tabs to spaces.
134 * unexpand: (coreutils)unexpand invocation.     Convert spaces to tabs.
300 * expand invocation::            Convert tabs to spaces
301 * unexpand invocation::          Convert spaces to tabs
1697 @itemx --show-tabs
1699 @opindex --show-tabs
1912 or tabs.
2467 indentation are not joined; tabs are expanded on input and introduced on
2683 @itemx --expand-tabs[=@var{in-tabchar}[@var{in-tabwidth}]]
2685 @opindex --expand-tabs
2686 @cindex input tabs
2710 @itemx --output-tabs[=@var{out-tabchar}[@var{out-tabwidth}]]
2712 @opindex --output-tabs
2713 @cindex output tabs
2922 Count bytes rather than columns, so that tabs, backspaces, and carriage
4694 decimal-point character.  In the C locale, spaces and tabs are blanks,
5751 are disabled, spaces, tabs and newlines are always considered as break
7035 * expand invocation::           Convert tabs to spaces.
7036 * unexpand invocation::         Convert spaces to tabs.
7464 @section @command{expand}: Convert tabs to spaces
7467 @cindex tabs to spaces, converting
7468 @cindex converting tabs to spaces
7479 By default, @command{expand} converts all tabs to spaces.  It preserves
7482 tabs every 8 columns).
7489 @itemx --tabs=@var{tab1}[,@var{tab2}]@dots{}
7491 @opindex --tabs
7493 If only one tab stop is given, set the tabs @var{tab1} spaces apart
7494 (default is 8).  Otherwise, set the tabs at columns @var{tab1},
7495 @var{tab2}, @dots{} (numbered from 0), and replace any tabs beyond the
7502 For example, @option{--tabs=2,4,/8} will set tab stops at position 2 and 4,
7509 one can specify a 1 character offset using @option{--tabs=1,+8},
7523 @cindex initial tabs, converting
7524 Only convert initial tabs (those that precede all non-space or non-tab
7533 @section @command{unexpand}: Convert spaces to tabs
7551 count for tab calculations.  By default, tabs are set at every 8th
7559 @itemx --tabs=@var{tab1}[,@var{tab2}]@dots{}
7561 @opindex --tabs
7562 If only one tab stop is given, set the tabs @var{tab1} columns apart
7563 instead of the default 8.  Otherwise, set the tabs at columns
8443 @command{ls} uses tabs where possible in the output, for efficiency.  If
8444 @var{cols} is zero, do not use tabs at all.
8449 @command{ls} to align using spaces, not tabs.
8451 If you set a terminal's hardware tabs to anything other than the default,
8453 environment variable either to match the hardware tabs, or to disable
8454 the use of hardware tabs.  Otherwise, the output of @command{ls} may
8455 not line up.  For example, if you run the shell command @samp{tabs -4}
8456 to set hardware tabs to every four columns, you should also run
8470 be delimited with spaces, not tabs.
15613 @item tabs
15614 @opindex tabs
18126 (Newlines, carriage returns, vertical tabs and form feeds are treated
18127 like spaces and tabs.)
18206 field separator (instead of spaces and tabs):
18209 $ cat tabs.awk
18930 numbers from standard input, delimited by newlines, tabs, or spaces.