llength.3tcl

Langue: en

Autres versions - même langue

Version: 317778 (ubuntu - 07/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

llength - Count the number of elements in a list

SYNOPSIS

llength list

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(3tcl), lappend(3tcl), lindex(3tcl), linsert(3tcl), lsearch(3tcl), lset(3tcl), lsort(3tcl), lrange(3tcl), lreplace(3tcl)

KEYWORDS

element, list, length