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Diffstat (limited to 'doc/llength.n')
| -rw-r--r-- | doc/llength.n | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/doc/llength.n b/doc/llength.n index 68dd1d8..f784614 100644 --- a/doc/llength.n +++ b/doc/llength.n @@ -6,7 +6,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: llength.n,v 1.6 2001/11/14 23:38:39 hobbs Exp $ +'\" RCS: @(#) $Id: llength.n,v 1.7 2004/04/16 22:20:58 dkf Exp $ '\" .so man.macros .TH llength n "" Tcl "Tcl Built-In Commands" @@ -23,6 +23,32 @@ llength \- Count the number of elements in a list Treats \fIlist\fR as a list and returns a decimal string giving the number of elements in it. +.SH EXAMPLES +The result is the number of elements: +.CS +% llength {a b c d e} +5 +% llength {a b c} +3 +% llength {} +0 +.CE + +Elements are not guaranteed to be exactly words in a dictionary sense +of course, especially when quoting is used: +.CS +% llength {a b {c d} e} +4 +% llength {a b { } c d e} +6 +.CE + +An empty list is not necessarily an empty string: +.CS +% set var { }; puts "[string length $var],[llength $var]" +1,0 +.CE + .SH "SEE ALSO" .VS 8.4 list(n), lappend(n), lindex(n), linsert(n), lsearch(n), |