-<!--
+<!--
* t
****************************************************************************
- * Copyright 2018,2020 Thomas E. Dickey *
+ * Copyright 2018-2020,2021 Thomas E. Dickey *
* Copyright 1998-2016,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************
- * @Id: tput.1,v 1.65 2020/12/19 22:17:47 tom Exp @
+ * @Id: tput.1,v 1.67 2021/06/17 21:11:08 tom Exp @
-->
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<HTML>
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
+ both terminfo (tested first) and termcap (as a fallback).
+
Because (apparently) <EM>all</EM> of the certified Unix systems support the full
- set of capability names, the reasoning for documenting only a few may
+ set of capability names, the reasoning for documenting only a few may
not be apparent.
- <STRONG>o</STRONG> X/Open Curses Issue 7 documents <STRONG>tput</STRONG> differently, with <EM>capname</EM> and
+ <STRONG>o</STRONG> X/Open Curses Issue 7 documents <STRONG>tput</STRONG> differently, with <EM>capname</EM> and
the other features used in this implementation.
- <STRONG>o</STRONG> That is, there are two standards for <STRONG>tput</STRONG>: POSIX (a subset) and
- X/Open Curses (the full implementation). POSIX documents a subset
- to avoid the complication of including X/Open Curses and the
+ <STRONG>o</STRONG> That is, there are two standards for <STRONG>tput</STRONG>: POSIX (a subset) and
+ X/Open Curses (the full implementation). POSIX documents a subset
+ to avoid the complication of including X/Open Curses and the
terminal capabilities database.
- <STRONG>o</STRONG> While it is certainly possible to write a <STRONG>tput</STRONG> program without
- using curses, none of the systems which have a curses
- implementation provide a <STRONG>tput</STRONG> utility which does not provide the
+ <STRONG>o</STRONG> While it is certainly possible to write a <STRONG>tput</STRONG> program without
+ using curses, none of the systems which have a curses
+ implementation provide a <STRONG>tput</STRONG> utility which does not provide the
<EM>capname</EM> feature.
X/Open Curses Issue 7 (2009) is the first version to document
utilities. However that part of X/Open Curses does not follow existing
practice (i.e., Unix features documented in SVID 3):
- <STRONG>o</STRONG> It assigns exit code 4 to "invalid operand", which may be the same
- as <EM>unknown</EM> <EM>capability</EM>. For instance, the source code for Solaris'
+ <STRONG>o</STRONG> It assigns exit code 4 to "invalid operand", which may be the same
+ as <EM>unknown</EM> <EM>capability</EM>. For instance, the source code for Solaris'
xcurses uses the term "invalid" in this case.
- <STRONG>o</STRONG> It assigns exit code 255 to a numeric variable that is not
+ <STRONG>o</STRONG> It assigns exit code 255 to a numeric variable that is not
specified in the terminfo database. That likely is a documentation
- error, confusing the <STRONG>-1</STRONG> written to the standard output for an
+ error, confusing the <STRONG>-1</STRONG> written to the standard output for an
absent or cancelled numeric value versus an (unsigned) exit code.
- The various Unix systems (AIX, HPUX, Solaris) use the same exit-codes
+ The various Unix systems (AIX, HPUX, Solaris) use the same exit-codes
as ncurses.
NetBSD curses documents different exit codes which do not correspond to
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
<STRONG><A HREF="clear.1.html">clear(1)</A></STRONG>, <STRONG>stty(1)</STRONG>, <STRONG><A HREF="tabs.1.html">tabs(1)</A></STRONG>, <STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>, <STRONG><A HREF="curs_termcap.3x.html">curs_termcap(3x)</A></STRONG>, <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>.
- This describes <STRONG>ncurses</STRONG> version 6.2 (patch 20210102).
+ This describes <STRONG>ncurses</STRONG> version 6.2 (patch 20210626).
projects / ncurses.git / blobdiff