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By default, the calc history file is located in ~/.calc_history. Now, if the environment variable $CALCHISTFILE is defined and is non-empty, then calc history file will be defined by the $CALCHISTFILE environment variable.
125 lines
3.8 KiB
Plaintext
125 lines
3.8 KiB
Plaintext
Environment variables
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CALCPATH
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A :-separated list of directories used to search for
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resource filenames (*.cal files) that do not begin with:
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/ ./ ../ ~
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If this variable does not exist, or if this
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variable is an empty string, a compiled value
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is used. Typically compiled in value is:
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.:./cal:~/cal:${CALC_SHAREDIR}:${CUSTOMCALDIR}
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which is usually:
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.:./cal:~/cal:/usr/share/calc:/usr/share/calc/custom
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This value is used by the READ command. It is an error
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if no such readable file is found.
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The CALCBINDINGS file searches the CALCPATH as well.
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CALCRC
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On startup (unless -h or -q was given on the command
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line), calc searches for files along the :-separated
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$CALCRC environment variable.
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If this variable does not exist, or if this
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variable is an empty string, a compiled value
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is used. Typically compiled in value is:
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${CALC_SHAREDIR}/startup:~/.calcrc:./.calcinit
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which is usually:
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/usr/share/calc/startup:~/.calcrc:./.calcinit
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Missing files along the $CALCRC path are silently ignored.
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CALCBINDINGS
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On startup (unless -h or -q was given on the command
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line), calc reads key bindings from the filename specified
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in the $CALCRC environment variable. These key bindings
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are used for command line editing and the command history.
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If this variable does not exist, a compiled value is used.
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Typically compiled in value is:
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bindings
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The bindings file is searched along the CALCPATH. Unlike
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the READ command, a .cal extension is not added.
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If the file could not be opened, or if standard input is not
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a terminal, then calc will still run, but fancy command line
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editing is disabled.
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NOTE: If calc was compiled with GNU-readline support, the
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CALCBINDINGS facility is ignored and the standard
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readline mechanisms (see readline(3)) are used.
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HOME
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This value is taken to be the home directory of the
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current user. It is used when files begin with '~/'.
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If this variable does not exist, or if this
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variable is an empty string, the home directory password
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entry of the current user is used. If that information
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is not available, '.' is used.
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PAGER
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When invoking help, this environment variable is used
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to display a help file.
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If this variable does not exist, or if this
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variable is an empty string, a compiled value
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is used. Typically compiled in value is something
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such as 'more', 'less', 'pg' or 'cat'.
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SHELL
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When a !-command is used, the program indicated by
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this environment variable is used.
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If this variable does not exist, or if this
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variable is an empty string, a compiled value
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is used. Typically compiled in value is something
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such as 'sh' is used.
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CALCHISTFILE
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This value is taken to be the calc history file.
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If this variable does not exist, or if this
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variable is an empty string, then ~/.calc_history
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is used.
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## Copyright (C) 1999,2021 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##
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## Under source code control: 1991/07/23 05:47:25
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## File existed as early as: 1991
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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