lreplace.n
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- '"
- '" Copyright (c) 1993 The Regents of the University of California.
- '" Copyright (c) 1994-1996 Sun Microsystems, Inc.
- '" Copyright (c) 2001 Kevin B. Kenny. All rights reserved.
- '"
- '" See the file "license.terms" for information on usage and redistribution
- '" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- '"
- '" RCS: @(#) $Id: lreplace.n,v 1.8.4.1 2004/10/27 12:52:40 dkf Exp $
- '"
- .so man.macros
- .TH lreplace n 7.4 Tcl "Tcl Built-In Commands"
- .BS
- '" Note: do not modify the .SH NAME line immediately below!
- .SH NAME
- lreplace - Replace elements in a list with new elements
- .SH SYNOPSIS
- fBlreplace fIlist first last fR?fIelement element ...fR?
- .BE
- .SH DESCRIPTION
- .PP
- fBlreplacefR returns a new list formed by replacing one or more elements of
- fIlistfR with the fIelementfR arguments.
- fIfirstfR and fIlastfR specify the first and last index of the
- range of elements to replace. 0 refers to the first element of the
- list, and fBendfR (or any abbreviation of it) may be used to refer
- to the last element of the list. If fIlistfR is empty, then
- fIfirstfR and fIlastfR are ignored.
- If fIfirstfR is less than zero, it is considered to refer to the
- first element of the list. For non-empty lists, the element indicated
- by fIfirstfR must exist.
- If fIlastfR is less than zero but greater than fIfirstfR, then any
- specified elements will be prepended to the list. If fIlastfR is
- less than fIfirstfR then no elements are deleted; the new elements
- are simply inserted before fIfirstfR.
- The fIelementfR arguments specify zero or more new arguments to
- be added to the list in place of those that were deleted.
- Each fIelementfR argument will become a separate element of
- the list. If no fIelementfR arguments are specified, then the elements
- between fIfirstfR and fIlastfR are simply deleted. If fIlistfR
- is empty, any fIelementfR arguments are added to the end of the list.
- .SH EXAMPLES
- Replacing an element of a list with another:
- .CS
- % fBlreplacefR {a b c d e} 1 1 foo
- a foo c d e
- .CE
- .PP
- Replacing two elements of a list with three:
- .CS
- % fBlreplacefR {a b c d e} 1 2 three more elements
- a three more elements d e
- .CE
- .PP
- Deleting the last element from a list in a variable:
- .CS
- % set var {a b c d e}
- a b c d e
- % set var [fBlreplacefR $var end end]
- a b c d
- .CE
- .SH "SEE ALSO"
- .VS 8.4
- list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
- lset(n), lrange(n), lsort(n)
- .VE
- .SH KEYWORDS
- element, list, replace