/usr/share/calc/help/fgetline is in apcalc-common 2.12.4.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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fgetline - read the next line from a file, newline is tossed
SYNOPSIS
fgetline(fd)
TYPES
fd file
return str or nil
DESCRIPTION
This function reads the next line, including any trailing newline from
the open file associated with fd. Unlike fgets, the trailing
newline is removed from the return string.
Empty lines return the null string. When the end of file is reached,
fgetline returns the null value. (Note the distinction between a null
string and a null value.)
If the line contained a numeric value, then the 'eval' function can
then be used to convert the string to a numeric value.
If a line is read, is returned minus the trailing newline, otherwise
(EOF or ERROR) nil is returned.
EXAMPLE
; fd = fopen("/tmp/newfile", "w")
; fputs(fd, "chongo was here\n")
; fputs(fd, "123\n")
; fd2 = fopen("/tmp/newfile", "r")
; fgets(fd2)
"chongo was here
"
; fclose(fd2)
; fd2 = fopen("/tmp/newfile", "r")
; fgetline(fd2)
"chongo was here"
; eval(fgetline(fd2))
123
LIMITS
fd must be associated with an open file
LINK LIBRARY
none
SEE ALSO
errno, fclose, feof, ferror, fflush, fgetc, fgetline, fgets, files, fopen,
fprintf, fputc, fputs, fseek, fsize, ftell, isfile, printf, prompt
## Copyright (C) 1999 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: fgetline,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/fgetline,v $
##
## Under source code control: 1995/03/04 11:33:19
## File existed as early as: 1995
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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