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Diffstat (limited to 'doc/global.n')
| -rw-r--r-- | doc/global.n | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/doc/global.n b/doc/global.n new file mode 100644 index 0000000..a89cbef --- /dev/null +++ b/doc/global.n @@ -0,0 +1,35 @@ +'\" +'\" Copyright (c) 1993 The Regents of the University of California. +'\" Copyright (c) 1994-1997 Sun Microsystems, Inc. +'\" +'\" See the file "license.terms" for information on usage and redistribution +'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. +'\" +'\" SCCS: @(#) global.n 1.6 97/05/18 15:23:09 +'\" +.so man.macros +.TH global n "" Tcl "Tcl Built-In Commands" +.BS +'\" Note: do not modify the .SH NAME line immediately below! +.SH NAME +global \- Access global variables +.SH SYNOPSIS +\fBglobal \fIvarname \fR?\fIvarname ...\fR? +.BE + +.SH DESCRIPTION +.PP +This command is ignored unless a Tcl procedure is being interpreted. +If so then it declares the given \fIvarname\fR's to be global variables +rather than local ones. +Global variables are variables in the global namespace. +For the duration of the current procedure +(and only while executing in the current procedure), +any reference to any of the \fIvarname\fRs +will refer to the global variable by the same name. + +.SH "SEE ALSO" +namespace(n), variable(n) + +.SH KEYWORDS +global, namespace, procedure, variable |