/usr/share/calc/help/push is in apcalc-common 2.12.5.0-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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push - push one or more values into the front of a list
SYNOPSIS
push(x, y_0, y_1, ...)
TYPES
x lvalue whose value is a list
y_0, ... any
return null value
DESCRIPTION
If after evaluation of y_0, y_1, ..., x is a list with
contents (x_0, x_1, ...), then after push(x, y_0, y_1, ..., y_n-1),
x has contents (y_n-1, ..., y_1, y_0, x_0, x_1, ...), i.e. the
values of y_0, y_1, ... are inserted in succession at the beginning
of the list.
This function is equivalent to insert(x, 0, y_n-1, ..., y_1, y_0).
EXAMPLE
; A = list(2,"three")
; print A
list (2 elements, 2 nonzero):
[[0]] = 2
[[1]] = "three"
; push(A, 4i, 7^2)
; print A
list (4 elements, 4 nonzero):
[[0]] = 49
[[1]] = 4i
[[2]] = 2
[[3]] = "three"
; push (A, pop(A), pop(A))
; print A
list (4 elements, 4 nonzero):
[[0]] = 4i
[[1]] = 49
[[2]] = 2
[[3]] = "three"
LIMITS
push() can have at most 100 arguments
LINK LIBRARY
none
SEE ALSO
append, delete, insert, islist, pop, remove, rsearch, search,
select, size
## Copyright (C) 1999-2006 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## @(#) $Revision: 30.1 $
## @(#) $Id: push,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/bin/calc/help/RCS/push,v $
##
## Under source code control: 1994/03/19 03:13:20
## File existed as early as: 1994
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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