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#!/usr/bin/env bash
# Copyright (C) 2016-2024 Ole Tange, http://ole.tange.dk and Free
# Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>
# or write to the Free Software Foundation, Inc., 51 Franklin St,
# Fifth Floor, Boston, MA 02110-1301 USA
#
# SPDX-FileCopyrightText: 2021-2024 Ole Tange, http://ole.tange.dk and Free Software and Foundation, Inc.
# SPDX-License-Identifier: GPL-3.0-or-later
grepq() {
# grep -q for systems without -q
grep >/dev/null 2>/dev/null "$@"
}
installer() {
source="$1"
script="$2"
into="$3"
if grepq $script "$into"; then
true already installed
else
echo $source \`which $script\` >> "$into"
fi
}
while test $# -gt 0; do
key="$1"
case $key in
-i|--install)
installer . env_parallel.bash "$HOME"/.bashrc
installer . env_parallel.sh "$HOME"/.shrc
installer . env_parallel.zsh "$HOME"/.zshenv
installer source env_parallel.ksh "$HOME"/.kshrc
installer source env_parallel.mksh "$HOME"/.mkshrc
echo $SHELL | grepq /pdksh &&
installer . env_parallel.pdksh "$HOME"/.profile
echo $SHELL | grepq /ash &&
installer . env_parallel.ash "$HOME"/.profile
echo $SHELL | grepq /dash &&
installer . env_parallel.dash "$HOME"/.profile
installer source env_parallel.csh "$HOME"/.cshrc
installer source env_parallel.tcsh "$HOME"/.tcshrc
mkdir -p "$HOME"/.config/fish
grepq env_parallel.fish "$HOME"/.config/fish/config.fish ||
echo '. (which env_parallel.fish)' >> "$HOME"/.config/fish/config.fish
echo 'Installed env_parallel in:'
echo " " "$HOME"/.bashrc
echo " " "$HOME"/.shrc
echo " " "$HOME"/.zshenv
echo " " "$HOME"/.config/fish/config.fish
echo " " "$HOME"/.kshrc
echo " " "$HOME"/.mkshrc
echo " " "$HOME"/.profile
echo " " "$HOME"/.cshrc
echo " " "$HOME"/.tcshrc
exit
;;
*)
echo "Unknown option: $key"
;;
esac
shift # past argument or value
done
cat <<'_EOS'
You have called the dummy script "env_parallel".
env_parallel only works if it is a function.
You need to do this and restart your shell:
bash: Put this in $HOME/.bashrc: . env_parallel.bash
E.g. by doing: echo '. env_parallel.bash' >> $HOME/.bashrc
Supports: variables, aliases, functions, arrays
fish: Put this in $HOME/.config/fish/config.fish: . (which env_parallel.fish)
E.g. by doing:
echo '. (which env_parallel.fish)' >> $HOME/.config/fish/config.fish
Supports: variables, aliases, functions, arrays
ksh: Put this in $HOME/.kshrc: source env_parallel.ksh
E.g. by doing: echo 'source env_parallel.ksh' >> $HOME/.kshrc
Supports: variables, aliases, functions, arrays
mksh: Put this in $HOME/.mkshrc: source env_parallel.mksh
E.g. by doing: echo 'source env_parallel.mksh' >> $HOME/.mkshrc
Supports: variables, aliases, functions, arrays
pdksh: Put this in $HOME/.profile: source env_parallel.pdksh
E.g. by doing: echo '. env_parallel.pdksh' >> $HOME/.profile
Supports: variables, aliases, functions, arrays
zsh: Put this in $HOME/.zshrc: . env_parallel.zsh
E.g. by doing: echo '. env_parallel.zsh' >> $HOME/.zshenv
Supports: variables, functions, arrays
ash: Put this in $HOME/.profile: . env_parallel.ash
E.g. by doing: echo '. env_parallel.ash' >> $HOME/.profile
Supports: variables, aliases
dash: Put this in $HOME/.profile: . env_parallel.dash
E.g. by doing: echo '. env_parallel.dash' >> $HOME/.profile
Supports: variables, aliases
csh: Put this in $HOME/.cshrc: source `which env_parallel.csh`
E.g. by doing: echo 'source `which env_parallel.csh`' >> $HOME/.cshrc
Supports: variables, aliases, arrays with no special chars
tcsh: Put this in $HOME/.tcshrc: source `which env_parallel.tcsh`
E.g. by doing: echo 'source `which env_parallel.tcsh`' >> $HOME/.tcshrc
Supports: variables, aliases, arrays with no special chars
To install in all shells run:
env_parallel --install
In a script you need to run this before using env_parallel:
bash: . env_parallel.bash
ksh: source env_parallel.ksh
mksh: source env_parallel.mksh
pdksh: source env_parallel.pdksh
zsh: . env_parallel.zsh
ash: . env_parallel.ash
dash: . env_parallel.dash
For details: see man env_parallel
_EOS
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