Function Entry: APPEND

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Function Entry: APPEND

Name

append

Class

Function

Syntax

(append list [list ...])

Arguments and Values

  • one or more lists

Description

Returns a list containing the elements of all argument lists in order.

Return Values

A list containing the concatenated elements.

If no arguments are supplied, Autodesk documents that append returns nil.

Side Effects

None specified.

Exceptional Situations

Erroneous if arguments are not acceptable list values.

Examples

  • (append '(a b c) '(d e f)) => (A B C D E F)
  • (append '((a) (b)) '((c) (d))) => ((A) (B) (C) (D))

Availability

  • AutoCAD 2026: documented (per Autodesk reference page).
  • BricsCAD V26: presumed compatible (no contradicting page found).
  • Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.