diff options
Diffstat (limited to 'doc/set.n')
| -rw-r--r-- | doc/set.n | 28 |
1 files changed, 13 insertions, 15 deletions
@@ -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: set.n,v 1.4 2004/04/30 22:45:56 dkf Exp $ +'\" RCS: @(#) $Id: set.n,v 1.5 2004/05/24 19:18:05 msofer Exp $ '\" .so man.macros .TH set n "" Tcl "Tcl Built-In Commands" @@ -28,21 +28,19 @@ close parenthesis, then it refers to an array element: the characters before the first open parenthesis are the name of the array, and the characters between the parentheses are the index within the array. Otherwise \fIvarName\fR refers to a scalar variable. -Normally, \fIvarName\fR is unqualified -(does not include the names of any containing namespaces), -and the variable of that name in the current namespace is read or written. +.PP If \fIvarName\fR includes namespace qualifiers -(in the array name if it refers to an array element), -the variable in the specified namespace is read or written. +(in the array name if it refers to an array element), or if \fIvarName\fR +is unqualified (does not include the names of any containing namespaces) +but no procedure is active, +\fIvarName\fR refers to a namespace variable +resolved according to the rules described under \fBNAME RESOLUTION\fR in +the \fBnamespace\fR manual page. .PP -If no procedure is active, -then \fIvarName\fR refers to a namespace variable -(global variable if the current namespace is the global namespace). -If a procedure is active, then \fIvarName\fR refers to a parameter -or local variable of the procedure unless the \fBglobal\fR command -was invoked to declare \fIvarName\fR to be global, -or unless a \fBvariable\fR command -was invoked to declare \fIvarName\fR to be a namespace variable. +If a procedure is active and \fIvarName\fR is unqualified, then +\fIvarName\fR refers to a parameter or local variable of the procedure, +unless \fIvarName\fR was declared to resolve differently through one of the +\fBglobal\fR, \fBvariable\fR or \fBupvar\fR commands. .SH EXAMPLES Store a random number in the variable \fIr\fR: .CS @@ -71,7 +69,7 @@ set out [set $vbl] .CE .SH "SEE ALSO" -expr(n), proc(n), trace(n), unset(n) +expr(n), global(n), namespace(n), proc(n), trace(n), unset(n), upvar(n), variable(n) .SH KEYWORDS read, write, variable |