'\" t
.\"***************************************************************************
-.\" Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
+.\" Copyright (c) 1998-2016,2017 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: infocmp.1m,v 1.51 2012/05/26 21:32:01 tom Exp $
+.\" $Id: infocmp.1m,v 1.66 2017/08/13 00:21:55 tom Exp $
.TH @INFOCMP@ 1M ""
+.ie \n(.g .ds `` \(lq
+.el .ds `` ``
+.ie \n(.g .ds '' \(rq
+.el .ds '' ''
.ds n 5
+.de bP
+.IP \(bu 4
+..
.ds d @TERMINFO@
.SH NAME
\fB@INFOCMP@\fR \- compare or print out \fIterminfo\fR descriptions
T\
U\
V\
+W\
c\
d\
e\
x\
\fR]
.br
- [\fB\-v\fR \fIn\fR] [\fB\-s d\fR| \fBi\fR| \fBl\fR| \fBc\fR] [\fB\-R \fR\fBsubset\fR]
+ [\fB\-v\fR \fIn\fR] [\fB\-s d\fR| \fBi\fR| \fBl\fR| \fBc\fR] [\fB\-Q\fR \fIn\fR] [\fB\-R \fR\fBsubset\fR]
.br
[\fB\-w\fR\ \fIwidth\fR] [\fB\-A\fR\ \fIdirectory\fR] [\fB\-B\fR\ \fIdirectory\fR]
.br
\fItermname\fR with each of the descriptions given by the entries for the other
terminal's \fItermnames\fR.
If a capability is defined for only one of the
-terminals, the value returned will depend on the type of the capability:
-\fBF\fR for boolean variables, \fB\-1\fR for integer variables, and \fBNULL\fR
-for string variables.
+terminals, the value returned depends on the type of the capability:
+.bP
+\fBF\fR for missing boolean variables
+.bP
+\fBNULL\fR for missing integer or string variables
.PP
-The \fB\-d\fR option produces a list of each capability that is different
-between two entries.
-This option is useful to show the difference between two
-entries, created by different people, for the same or similar terminals.
+Use the \fB\-q\fP option to show the distinction between
+\fIabsent\fP and \fIcancelled\fP capabilities.
.PP
-The \fB\-c\fR option produces a list of each capability that is common between
+These options produce a list which you can use to compare two
+or more terminal descriptions:
+.TP 5
+\fB\-d\fR
+produces a list of each capability that is \fIdifferent\fP
+between two entries.
+Each item in the list shows \*(``:\*('' after the capability name,
+followed by the capability values, separated by a comma.
+.TP
+\fB\-c\fR
+produces a list of each capability that is \fIcommon\fP between
two or more entries.
-Capabilities that are not set are ignored.
-This option can be
-used as a quick check to see if the \fB\-u\fR option is worth using.
-.PP
-The \fB\-n\fR option produces a list of each capability that is in none of
-the given entries.
-If no \fItermnames\fR are given, the environment variable \fBTERM\fR
-will be used for both of the \fItermnames\fR.
-This can be used as a quick
-check to see if anything was left out of a description.
+Missing capabilities are ignored.
+Each item in the list shows \*(``=\*('' after the capability name,
+followed by the capability value.
+.IP
+The \fB\-u\fR option provides a related output,
+showing the first terminal description rewritten to use the second
+as a building block via the \*(``use=\*('' clause.
+.TP
+\fB\-n\fR
+produces a list of each capability that is in \fInone\fP of the given entries.
+Each item in the list shows \*(``!\*('' before the capability name.
+.IP
+Normally only the conventional capabilities are shown.
+Use the \fB\-x\fP option to add the BSD-compatibility
+capabilities (names prefixed with \*(``OT\*('').
+.IP
+If no \fItermnames\fR are given,
+\fB@INFOCMP@\fR uses the environment variable \fBTERM\fR
+for each of the \fItermnames\fR.
.SS Source Listing Options [\-I] [\-L] [\-C] [\-r]
The \fB\-I\fR, \fB\-L\fR, and \fB\-C\fR options will produce a source listing for
each terminal named.
the output and commented out.
These should be edited by hand.
.PP
+For best results when converting to \fBtermcap\fP format,
+you should use both \fB\-C\fP and \fB\-r\fP.
+Normally a termcap description is limited to 1023 bytes.
+\fB@INFOCMP@\fP trims away less essential parts to make it fit.
+If you are converting to one of the (rare) termcap implementations
+which accept an unlimited size of termcap,
+you may want to add the \fB\-T\fP option.
+More often however, you must help the termcap implementation,
+and trim excess whitespace (use the \fB\-0\fP option for that).
+.PP
All padding information for strings will be collected together and placed
at the beginning of the string where \fBtermcap\fR expects it.
Mandatory
-padding (padding information with a trailing '/') will become optional.
+padding (padding information with a trailing \*(``/\*('') will become optional.
.PP
All \fBtermcap\fR variables no longer supported by \fBterminfo\fR, but which
are derivable from other \fBterminfo\fR variables, will be output.
\fB@INFOCMP@\fR will flag any other \fItermname use=\fR fields that
were not needed.
.SS Changing Databases [\-A \fIdirectory\fR] [\-B \fIdirectory\fR]
-The location of the compiled \fBterminfo\fR database is taken from the
-environment variable \fBTERMINFO\fR\ .
-If the variable is not defined, or the
-terminal is not found in that location, the system \fBterminfo\fR database,
-in \fB@TERMINFO@\fR, will be used.
-The options \fB\-A\fR
-and \fB\-B\fR may be used to override this location.
-The \fB\-A\fR option will
-set \fBTERMINFO\fR for the first \fItermname\fR and the \fB\-B\fR option will
-set \fBTERMINFO\fR for the other \fItermnames\fR.
-With this, it is possible to
+Like other \fBncurses\fP utilities,
+\fB@INFOCMP@\fP looks for the terminal descriptions in several places.
+You can use the \fBTERMINFO\fP and \fBTERMINFO_DIRS\fP environment variables
+to override the compiled-in default list of places to search
+(see \fBcurses\fP(3X) for details).
+.PP
+You can also use the options \fB\-A\fR
+and \fB\-B\fR to override the list of places to search
+when comparing terminal descriptions:
+.bP
+The \fB\-A\fR option sets the location for the first \fItermname\fR
+.bP
+The \fB\-B\fR option sets the location for the other \fItermnames\fR.
+.PP
+Using these options, it is possible to
compare descriptions for a terminal with the same name located in two different
databases.
-This is useful for comparing descriptions for the same terminal
+For instance,
+you can use this feature for comparing descriptions for the same terminal
created by different people.
.SS Other Options
.TP 5
.TP 5
\fB\-i\fR
Analyze the initialization (\fBis1\fR, \fBis2\fR, \fBis3\fR), and reset
-(\fBrs1\fR, \fBrs2\fR, \fBrs3\fR), strings in the entry.
+(\fBrs1\fR, \fBrs2\fR, \fBrs3\fR), strings in the entry,
+as well as those used for starting/stopping cursor-positioning mode
+(\fBsmcup\fP, \fBrmcup\fP) as well as starting/stopping keymap mode
+(\fBsmkx\fP, \fBrmkx\fP).
+.IP
For each string, the
code tries to analyze it into actions in terms of the other capabilities in the
entry, certain X3.64/ISO 6429/ECMA\-48 capabilities, and certain DEC VT-series
of the capability name, followed by a colon and space, followed by a printable
expansion of the capability string with sections matching recognized actions
translated into {}-bracketed descriptions.
+.IP
Here is a list of the DEC/ANSI
special sequences recognized:
-i.
.TS
center tab(/) ;
l l
It also recognizes a SGR action corresponding to ANSI/ISO 6429/ECMA Set
Graphics Rendition, with the values NORMAL, BOLD, UNDERLINE, BLINK, and
REVERSE.
-All but NORMAL may be prefixed with `+' (turn on) or `\-' (turn off).
-.PP
+All but NORMAL may be prefixed with
+.RS
+.bP
+\*(``+\*('' (turn on) or
+.bP
+\*(``\-\*('' (turn off).
+.RE
+.IP
An SGR0 designates an empty highlight sequence (equivalent to {SGR:NORMAL}).
.TP 5
\fB\-l\fR
\fB\-p\fR
Ignore padding specifications when comparing strings.
.TP 5
+\fB\-Q\fR \fIn\fR
+Rather than show source in terminfo (text) format,
+print the compiled (binary) format in hexadecimal or base64 form,
+depending on the option's value:
+.RS 8
+.TP 3
+1
+hexadecimal
+.TP 3
+2
+base64
+.TP 3
+3
+hexadecimal and base64
+.RE
+.TP 5
\fB\-q\fR
+This makes the output a little shorter:
+.RS
+.bP
Make the comparison listing shorter by omitting subheadings, and using
-"\-" for absent capabilities, "@" for canceled rather than "NULL".
+\*(``\-\*('' for absent capabilities, \*(``@\*('' for canceled rather than \*(``NULL\*(''.
+.bP
+However, show differences between absent and cancelled capabilities.
+.bP
+Omit the \*(``Reconstructed from\*('' comment for source listings.
+.RE
.TP 5
\fB\-R\fR\fIsubset\fR
Restrict output to a given subset.
versions of terminfo like those on SVr1, Ultrix, or HP/UX that do not support
the full set of SVR4/XSI Curses terminfo; and variants such as AIX
that have their own extensions incompatible with SVr4/XSI.
+.RS
+.bP
Available terminfo
-subsets are "SVr1", "Ultrix", "HP", and "AIX"; see \fBterminfo\fR(\*n) for
+subsets are \*(``SVr1\*('', \*(``Ultrix\*('', \*(``HP\*('', and \*(``AIX\*(''; see \fBterminfo\fR(\*n) for
details.
-You can also choose the subset "BSD" which selects only capabilities
+.bP
+You can also choose the subset \*(``BSD\*('' which selects only capabilities
with termcap equivalents recognized by 4.4BSD.
+The \fB\-C\fP option sets the \*(``BSD\*('' subset as a side-effect.
+.bP
+If you select any other value for \fB\-R\fP,
+it is the same as no subset, i.e., all capabilities are used.
+The \fB\-I\fP option likewise selects no subset as a side-effect.
+.RE
.TP
\fB\-s \fR\fI[d|i|l|c]\fR
The \fB\-s\fR option sorts the fields within each type according to the argument
.TP 5
\fB\-v\fR \fIn\fR
prints out tracing information on standard error as the program runs.
-Higher values of n induce greater verbosity.
+.IP
+The optional parameter \fIn\fR is a number from 1 to 10, inclusive,
+indicating the desired level of detail of information.
+If ncurses is built without tracing support, the optional parameter is ignored.
+.TP
+\fB\-W\fR
+By itself, the \fB\-w\fP option will not force long strings to be wrapped.
+Use the \fB\-W\fP option to do this.
.TP 5
\fB\-w\fR \fIwidth\fR
changes the output to \fIwidth\fR characters.
\fB\-E\fR,
\fB\-F\fR,
\fB\-G\fR,
+\fB\-Q\fR,
\fB\-R\fR,
\fB\-T\fR,
\fB\-V\fR,
\fB\-t\fR
options are not supported in SVr4 curses.
.PP
-The \fB\-r\fR option's notion of `termcap' capabilities is System V Release 4's.
+SVr4 infocmp does not distinguish between absent and cancelled capabilities.
+Also, it shows missing integer capabilities as \fB\-1\fP
+(the internal value used to represent missing integers).
+This implementation shows those as \*(``NULL\*('',
+for consistency with missing strings.
+.PP
+The \fB\-r\fR option's notion of \*(``termcap\*('' capabilities is System V Release 4's.
Actual BSD curses versions will have a more restricted set.
To see only the
4.4BSD set, use \fB\-r\fR \fB\-RBSD\fR.
\fB@TOE@\fR(1M),
\fBcurses\fR(3X),
\fBterminfo\fR(\*n).
+.sp
+http://invisible-island.net/ncurses/tctest.html
.PP
This describes \fBncurses\fR
version @NCURSES_MAJOR@.@NCURSES_MINOR@ (patch @NCURSES_PATCH@).
projects / ncurses.git / blobdiff