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authorWilliam Joye <wjoye@cfa.harvard.edu>2016-12-21 22:13:18 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2016-12-21 22:13:18 (GMT)
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-'\"
-'\" 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.
-'\"
-.TH append n "" Tcl "Tcl Built-In Commands"
-.so man.macros
-.BS
-'\" Note: do not modify the .SH NAME line immediately below!
-.SH NAME
-append \- Append to variable
-.SH SYNOPSIS
-\fBappend \fIvarName \fR?\fIvalue value value ...\fR?
-.BE
-.SH DESCRIPTION
-.PP
-Append all of the \fIvalue\fR arguments to the current value
-of variable \fIvarName\fR. If \fIvarName\fR does not exist,
-it is given a value equal to the concatenation of all the
-\fIvalue\fR arguments.
-The result of this command is the new value stored in variable
-\fIvarName\fR.
-This command provides an efficient way to build up long
-variables incrementally.
-For example,
-.QW "\fBappend a $b\fR"
-is much more efficient than
-.QW "\fBset a $a$b\fR"
-if \fB$a\fR is long.
-.SH EXAMPLE
-Building a string of comma-separated numbers piecemeal using a loop.
-.PP
-.CS
-set var 0
-for {set i 1} {$i<=10} {incr i} {
- \fBappend\fR var "," $i
-}
-puts $var
-# Prints 0,1,2,3,4,5,6,7,8,9,10
-.CE
-.SH "SEE ALSO"
-concat(n), lappend(n)
-.SH KEYWORDS
-append, variable
-'\" Local Variables:
-'\" mode: nroff
-'\" End: