Lists

Syntax:

• Zero or more elements separated by white space.
  red green blue
• Braces and backslashes for grouping:
  a b {c d e} f
  one word two three

List-related commands:

    concat    lindex    llength   lsearch
    foreach   linsert   lrange    lsort
    lappend   list      lreplace

Examples:

lindex {a b {c d e} f g} 2

c d e

lsort {red green blue}

blue green red