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Diffstat (limited to 'doc/unset.n')
| -rw-r--r-- | doc/unset.n | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/doc/unset.n b/doc/unset.n new file mode 100644 index 0000000..6073256 --- /dev/null +++ b/doc/unset.n @@ -0,0 +1,34 @@ +'\" +'\" Copyright (c) 1993 The Regents of the University of California. +'\" Copyright (c) 1994-1996 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: @(#) unset.n 1.5 96/03/25 20:26:21 +'\" +.so man.macros +.TH unset n "" 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? +.BE + +.SH DESCRIPTION +.PP +This command removes one or more variables. +Each \fIname\fR is a variable name, specified in any of the +ways acceptable to the \fBset\fR command. +If a \fIname\fR refers to an element of an array then that +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. + +.SH KEYWORDS +remove, variable |