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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2004-11-16 10:06:58 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2004-11-16 10:06:58 (GMT) |
| commit | e9478201fbdb3219530e01eb919812bc881e70ce (patch) | |
| tree | a6553cb82bf0bc37c6206370710527ea7e4b31d6 /doc | |
| parent | ef4ea32ff458299a15f8182f61c7ae90ab0ca178 (diff) | |
| download | tcl-e9478201fbdb3219530e01eb919812bc881e70ce.zip tcl-e9478201fbdb3219530e01eb919812bc881e70ce.tar.gz tcl-e9478201fbdb3219530e01eb919812bc881e70ce.tar.bz2 | |
Backport of [Patch 1065732]
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/tclvars.n | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/doc/tclvars.n b/doc/tclvars.n index f3c58f4..532fb5c 100644 --- a/doc/tclvars.n +++ b/doc/tclvars.n @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: tclvars.n,v 1.13.2.1 2004/10/27 14:43:14 dkf Exp $ +'\" RCS: @(#) $Id: tclvars.n,v 1.13.2.2 2004/11/16 10:07:00 dkf Exp $ '\" .so man.macros .TH tclvars n 8.0 Tcl "Tcl Built-In Commands" @@ -404,9 +404,36 @@ incompatibilities and changes to \fIy\fR represent small enhancements and bug fixes that retain backward compatibility. The value of this variable is returned by the \fBinfo tclversion\fR command. +.SH "OTHER GLOBAL VARIABLES" +The following variables are only guaranteed to exist in \fBtclsh\fR +and \fBwish\fR executables; the Tcl library does not define them +itself but many Tcl environments do. +.TP 6 +\fBargc\fR +The number of arguments to \fBtclsh\fR or \fBwish\fR. +.TP 6 +\fBargv\fR +Tcl list of arguments to \fBtclsh\fR or \fBwish\fR. +.TP 6 +\fBargv0\fR +The script that \fBtclsh\fR or \fBwish\fR started executing (if it was +specified) or otherwise the name by which \fBtclsh\fR or \fBwish\fR +was invoked. +.TP 6 +\fBtcl_interactive\fR +Contains 1 if \fBtclsh\fR or \fBwish\fR is running interactively (no +script was specified and standard input is a terminal-like device), 0 +otherwise. +.PP +The \fBwish\fR executably additionally specifies the following global +variable: +.TP 6 +\fBgeometry\fR +If set, contains the user-supplied geometry specification to use for +the main Tk window. .SH "SEE ALSO" -eval(n) +eval(n), tclsh(1), wish(1) .SH KEYWORDS arithmetic, bytecode, compiler, error, environment, POSIX, precision, subprocess, variables |