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Man Pages


Manual Reference Pages  -  LLENGTH (n)

NAME

llength - Count the number of elements in a list

CONTENTS

Synopsis
Description
Examples
Keywords

SYNOPSIS

llength list

   








\L’|0u-1v’\l’75u+3n_’\L’0u+1v-0u’\l’|0u-1.5n_’



\L’|0u-1v’\L’0u+1v-0u’\l’|0u-1.5n_’





DESCRIPTION

Treats list as a list and returns a decimal string giving the number of elements in it.

EXAMPLES

The result is the number of elements:

% llength {a b c d e}
5
% llength {a b c}
3
% llength {}
0


Elements are not guaranteed to be exactly words in a dictionary sense of course, especially when quoting is used:


% llength {a b {c d} e}
4
% llength {a b { } c d e}
6


An empty list is not necessarily an empty string:


% set var { }; puts "[string length $var],[llength $var]"
1,0


SEE ALSO

list(n), lappend(n), lindex(n), linsert(n), lsearch(n), lset(n), lsort(n), lrange(n), lreplace(n)

KEYWORDS

element, list, length
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Tcl LLENGTH (n)

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