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| author | hobbs <hobbs> | 2000-06-01 00:33:27 (GMT) |
|---|---|---|
| committer | hobbs <hobbs> | 2000-06-01 00:33:27 (GMT) |
| commit | 58476f96744cb7143b4129af3d1978f949d8b474 (patch) | |
| tree | 27af8e10e0015c6de9e8f5eafcd39254d32ca5b9 /doc | |
| parent | fb987e05c7e3613f4a27e0f9262e29cbda36e51a (diff) | |
| download | tcl-58476f96744cb7143b4129af3d1978f949d8b474.zip tcl-58476f96744cb7143b4129af3d1978f949d8b474.tar.gz tcl-58476f96744cb7143b4129af3d1978f949d8b474.tar.bz2 | |
* tests/set-old.test:
* doc/unset.n:
* generic/tclVar.c (Tcl_UnsetObjCmd): added -nocomplain and --
options to unset, to allow for a silent unset operation.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/unset.n | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/doc/unset.n b/doc/unset.n index ef93132..6aca9d3 100644 --- a/doc/unset.n +++ b/doc/unset.n @@ -1,20 +1,21 @@ '\" '\" Copyright (c) 1993 The Regents of the University of California. '\" Copyright (c) 1994-1996 Sun Microsystems, Inc. +'\" Copyright (c) 2000 Ajuba Solutions. '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: unset.n,v 1.2 1998/09/14 18:39:56 stanton Exp $ +'\" RCS: @(#) $Id: unset.n,v 1.3 2000/06/01 00:33:27 hobbs Exp $ '\" .so man.macros -.TH unset n "" Tcl "Tcl Built-In Commands" +.TH unset n 8.4 Tcl "Tcl Built-In Commands" .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME unset \- Delete variables .SH SYNOPSIS -\fBunset \fIname \fR?\fIname name ...\fR? +\fBunset \fR?\fI\-\-\fR? ?\fI\-nocomplain\fR? ?\fIname name name ...\fR? .BE .SH DESCRIPTION @@ -27,8 +28,17 @@ element is removed without affecting the rest of the array. If a \fIname\fR consists of an array name with no parenthesized index, then the entire array is deleted. The \fBunset\fR command returns an empty string as result. -An error occurs if any of the variables doesn't exist, and any variables -after the non-existent one are not deleted. +.VS 8.4 +If \fI\-nocomplain\fR is specified as the first argument, any possible +errors are suppressed. The option may not be abbreviated, in order to +disambiguate it from possible variable names. \fI\-\-\fR may be specified +prior to \fI\-nocomplain\fR to prevent it from being interpreted as an +option. +.VE 8.4 +If an error occurs, any variables after the named one causing the error not +deleted. An error can occur when the named variable doesn't exist, or the +name refers to an array element but the variable is a scalar, or the name +refers to a variable in a non-existent namespace. .SH KEYWORDS remove, variable |