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- * @Id: tput.1,v 1.91 2023/12/02 20:49:04 tom Exp @
+ * @Id: tput.1,v 1.92 2023/12/16 20:32:22 tom Exp @
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-<H1 class="no-header">tput 1 2023-12-02 ncurses 6.4 User commands</H1>
+<H1 class="no-header">tput 1 2023-12-16 ncurses 6.4 User commands</H1>
<PRE>
<STRONG><A HREF="tput.1.html">tput(1)</A></STRONG> User commands <STRONG><A HREF="tput.1.html">tput(1)</A></STRONG>
variable <EM>TERM</EM>. If <STRONG>-T</STRONG> is specified, then the shell variables
<EM>LINES</EM> and <EM>COLUMNS</EM> will also be ignored.
- <STRONG>-V</STRONG> reports the version of ncurses which was used in this program,
+ <STRONG>-V</STRONG> reports the version of <EM>ncurses</EM> which was used in this program,
and exits.
<STRONG>-x</STRONG> prevents <STRONG>tput</STRONG> from attempting to clear the scrollback buffer.
<STRONG>tput</STRONG> <STRONG>reset</STRONG>. The <STRONG><A HREF="tset.1.html">tset(1)</A></STRONG> utility also treats a link named <STRONG>reset</STRONG>
specially.
- Before ncurses 6.1, the two utilities were different from each other:
+ Before <EM>ncurses</EM> 6.1, the two utilities were different from each other:
<STRONG>o</STRONG> <STRONG>tset</STRONG> utility reset the terminal modes and special characters (not
done with <STRONG>tput</STRONG>).
<STRONG>o</STRONG> The <STRONG>reset</STRONG> program is usually an alias for <STRONG>tset</STRONG>, because of this
difference with resetting terminal modes and special characters.
- With the changes made for ncurses 6.1, the <EM>reset</EM> feature of the two
+ With the changes made for <EM>ncurses</EM> 6.1, the <EM>reset</EM> feature of the two
programs is (mostly) the same. A few differences remain:
<STRONG>o</STRONG> The <STRONG>tset</STRONG> program waits one second when resetting, in case it
before falling back to "/dev/tty" and finally just assumes a 1200Bd
terminal. When updating terminal modes, it ignores errors.
- Until changes made after ncurses 6.0, <STRONG>tput</STRONG> did not modify terminal
+ Until changes made after <EM>ncurses</EM> 6.0, <STRONG>tput</STRONG> did not modify terminal
modes. <STRONG>tput</STRONG> now uses a similar scheme, using functions shared with
<STRONG>tset</STRONG> (and ultimately based on the 4.4BSD <STRONG>tset</STRONG>). If it is not able
to open a terminal, e.g., when running in <STRONG>cron(1)</STRONG>, <STRONG>tput</STRONG> will return
Besides providing more reliable operation than AT&T's utility, a
portability problem is introduced by this analysis: An OpenBSD
- developer adapted the internal library function from ncurses to
+ developer adapted the internal library function from <EM>ncurses</EM> to
port NetBSD's termcap-based <STRONG>tput</STRONG> to terminfo. That had been
modified to interpret multiple commands on a line. Portable
- applications should not rely upon this feature; ncurses provides it
+ applications should not rely upon this feature; <EM>ncurses</EM> provides it
to support applications written specifically for OpenBSD.
This implementation (unlike others) can accept both <EM>termcap</EM> and
2010, NetBSD's <STRONG>tput</STRONG> uses terminfo names. Before that, it (like
FreeBSD) recognized termcap names.
- Beginning in 2021, FreeBSD uses the ncurses <STRONG>tput</STRONG>, configured for
+ Beginning in 2021, FreeBSD uses the <EM>ncurses</EM> <STRONG>tput</STRONG>, configured for
both terminfo (tested first) and termcap (as a fallback).
Because (apparently) <EM>all</EM> of the certified Unix systems support the full
absent or cancelled numeric value versus an (unsigned) exit code.
The various Unix systems (AIX, HP-UX, Solaris) use the same exit-codes
- as ncurses.
+ as <EM>ncurses</EM>.
NetBSD curses documents different exit codes which do not correspond to
- either ncurses or X/Open.
+ either <EM>ncurses</EM> or X/Open.
</PRE><H2><a name="h2-HISTORY">HISTORY</a></H2><PRE>
BSD: Ross Ridge's <EM>mytinfo</EM> package, published on <EM>comp.sources.unix</EM> in
December 1992. Ridge's program made more sophisticated use of the
terminal capabilities than the BSD program. Eric Raymond used that
- <STRONG>tput</STRONG> program (and other parts of <EM>mytinfo</EM>) in ncurses in June 1995.
+ <STRONG>tput</STRONG> program (and other parts of <EM>mytinfo</EM>) in <EM>ncurses</EM> in June 1995.
Using the portions dealing with terminal capabilities almost without
change, Raymond made improvements to the way the command-line
parameters were handled.
-ncurses 6.4 2023-12-
02 <STRONG><A HREF="tput.1.html">tput(1)</A></STRONG>
+ncurses 6.4 2023-12-
16 <STRONG><A HREF="tput.1.html">tput(1)</A></STRONG>
</PRE>
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