/usr/share/calc/help/pop is in apcalc-common 2.12.4.4-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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pop - pop a value from front of a list
SYNOPSIS
pop(lst)
TYPES
lst list, &list
return any
DESCRIPTION
This function removes index 0 and returns it.
This function is equivalent to calling delete(lst, 0).
EXAMPLE
; lst = list(2,"three")
list (2 elements, 2 nonzero):
[[0]] = 2
[[1]] = "three"
; pop(lst)
2
; print lst
list (1 elements, 1 nonzero):
[[0]] = "three"
; pop(lst)
"three"
; print lst
list (0 elements, 0 nonzero)
; pop(lst)
; print lst
list (0 elements, 0 nonzero)
LIMITS
none
LINK LIBRARY
none
SEE ALSO
append, delete, insert, islist, push, 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: pop,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/pop,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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