* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: tabs.1,v 1.12 2016/04/02 23:40:46 tom Exp @
+ * @Id: tabs.1,v 1.15 2016/12/31 16:07:39 tom Exp @
-->
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<HTML>
clear/set tab-stops. The terminal should be configured to
use hard tabs, e.g.,
- stty tab0
+ stty tab0
+
+ Like <STRONG><A HREF="clear.1.html">clear(1)</A></STRONG>, <STRONG>tabs</STRONG> writes to the standard output. You
+ can redirect the standard output to a file (which prevents
+ <STRONG>tabs</STRONG> from actually changing the tabstops), and later <STRONG>cat</STRONG>
+ the file to the screen, setting tabstops at that point.
</PRE><H2><a name="h2-OPTIONS">OPTIONS</a></H2><PRE>
</PRE><H3><a name="h3-General-Options">General Options</a></H3><PRE>
<STRONG>-T</STRONG><EM>name</EM>
Tell <STRONG>tabs</STRONG> which terminal type to use. If this option
- is not given, <STRONG>tabs</STRONG> will use the <STRONG>$TERM</STRONG> environment
- variable. If that is not set, it will use the
+ is not given, <STRONG>tabs</STRONG> will use the <STRONG>$TERM</STRONG> environment
+ variable. If that is not set, it will use the
<EM>ansi+tabs</EM> entry.
- <STRONG>-d</STRONG> The debugging option shows a ruler line, followed by
- two data lines. The first data line shows the
+ <STRONG>-d</STRONG> The debugging option shows a ruler line, followed by
+ two data lines. The first data line shows the
expected tab-stops marked with asterisks. The second
- data line shows the actual tab-stops, marked with
+ data line shows the actual tab-stops, marked with
asterisks.
- <STRONG>-n</STRONG> This option tells <STRONG>tabs</STRONG> to check the options and run
- any debugging option, but not to modify the terminal
+ <STRONG>-n</STRONG> This option tells <STRONG>tabs</STRONG> to check the options and run
+ any debugging option, but not to modify the terminal
settings.
<STRONG>-V</STRONG> reports the version of ncurses which was used in this
program, and exits.
- The <STRONG>tabs</STRONG> program processes a single list of tab stops.
- The last option to be processed which defines a list is
+ The <STRONG>tabs</STRONG> program processes a single list of tab stops.
+ The last option to be processed which defines a list is
the one that determines the list to be processed.
</PRE><H3><a name="h3-Implicit-Lists">Implicit Lists</a></H3><PRE>
- Use a single number as an option, e.g., "<STRONG>-5</STRONG>" to set tabs
- at the given interval (in this case 1, 6, 11, 16, 21,
- etc.). Tabs are repeated up to the right margin of the
+ Use a single number as an option, e.g., "<STRONG>-5</STRONG>" to set tabs
+ at the given interval (in this case 1, 6, 11, 16, 21,
+ etc.). Tabs are repeated up to the right margin of the
screen.
Use "<STRONG>-0</STRONG>" to clear all tabs.
</PRE><H3><a name="h3-Explicit-Lists">Explicit Lists</a></H3><PRE>
- An explicit list can be defined after the options (this
- does not use a "-"). The values in the list must be in
+ An explicit list can be defined after the options (this
+ does not use a "-"). The values in the list must be in
increasing numeric order, and greater than zero. They are
separated by a comma or a blank, for example,
- tabs 1,6,11,16,21
- tabs 1 6 11 16 21
- Use a '+' to treat a number as an increment relative to
+ tabs 1,6,11,16,21
+ tabs 1 6 11 16 21
+
+ Use a "+" to treat a number as an increment relative to
the previous value, e.g.,
- tabs 1,+5,+5,+5,+5
+ tabs 1,+5,+5,+5,+5
which is equivalent to the 1,6,11,16,21 example.
</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
- IEEE Std 1003.1/The Open Group Base Specifications Issue
+ IEEE Std 1003.1/The Open Group Base Specifications Issue
7 (POSIX.1-2008) describes a <STRONG>tabs</STRONG> utility. However
- <STRONG>o</STRONG> This standard describes a <STRONG>+m</STRONG> option, to set a termi-
- nal's left-margin. Very few of the entries in the
+ <STRONG>o</STRONG> This standard describes a <STRONG>+m</STRONG> option, to set a termi-
+ nal's left-margin. Very few of the entries in the
terminal database provide this capability.
- <STRONG>o</STRONG> There is no counterpart in X/Open Curses Issue 7 for
- this utility, unlike <STRONG><A HREF="tput.3x.html">tput(3x)</A></STRONG>.
+ <STRONG>o</STRONG> There is no counterpart in X/Open Curses Issue 7 for
+ this utility, unlike <STRONG>tput(1)</STRONG>.
- The <STRONG>-d</STRONG> (debug) and <STRONG>-n</STRONG> (no-op) options are extensions not
+ The <STRONG>-d</STRONG> (debug) and <STRONG>-n</STRONG> (no-op) options are extensions not
provided by other implementations.
- Documentation for other implementations states that there
- is a limit on the number of tab stops. While some termi-
+ Documentation for other implementations states that there
+ is a limit on the number of tab stops. While some termi-
nals may not accept an arbitrary number of tab stops, this
- implementation will attempt to set tab stops up to the
- right margin of the screen, if the given list happens to
+ implementation will attempt to set tab stops up to the
+ right margin of the screen, if the given list happens to
be that long.
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
<STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>, <STRONG><A HREF="infocmp.1m.html">infocmp(1m)</A></STRONG>, <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>.
- This describes <STRONG>ncurses</STRONG> version 6.0 (patch 20160723).
+ This describes <STRONG>ncurses</STRONG> version 6.0 (patch 20170401).
projects / ncurses.git / blobdiff