diff options
Diffstat (limited to 'tcl/doc/lappend.n')
-rw-r--r-- | tcl/doc/lappend.n | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tcl/doc/lappend.n b/tcl/doc/lappend.n new file mode 100644 index 00000000000..1351dedc40a --- /dev/null +++ b/tcl/doc/lappend.n @@ -0,0 +1,35 @@ +'\" +'\" 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. +'\" +'\" RCS: @(#) $Id$ +'\" +.so man.macros +.TH lappend n "" Tcl "Tcl Built-In Commands" +.BS +'\" Note: do not modify the .SH NAME line immediately below! +.SH NAME +lappend \- Append list elements onto a variable +.SH SYNOPSIS +\fBlappend \fIvarName \fR?\fIvalue value value ...\fR? +.BE + +.SH DESCRIPTION +.PP +This command treats the variable given by \fIvarName\fR as a list +and appends each of the \fIvalue\fR arguments to that list as a separate +element, with spaces between elements. +If \fIvarName\fR doesn't exist, it is created as a list with elements +given by the \fIvalue\fR arguments. +\fBLappend\fR is similar to \fBappend\fR except that the \fIvalue\fRs +are appended as list elements rather than raw text. +This command provides a relatively efficient way to build up +large lists. For example, ``\fBlappend a $b\fR'' is much +more efficient than ``\fBset a [concat $a [list $b]]\fR'' when +\fB$a\fR is long. + +.SH KEYWORDS +append, element, list, variable |