diff options
Diffstat (limited to 'src/env_parallel')
| -rwxr-xr-x | src/env_parallel | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/env_parallel b/src/env_parallel new file mode 100755 index 0000000..3f968fc --- /dev/null +++ b/src/env_parallel @@ -0,0 +1,143 @@ +#!/usr/bin/env bash + +# Copyright (C) 2016-2022 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: 2021-2022 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' +env_parallel only works if it is a function. + +Do this and restart your shell: + +bash: Put this in $HOME/.bashrc: . `which env_parallel.bash` + E.g. by doing: echo '. `which 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 `which env_parallel.ksh` + E.g. by doing: echo 'source `which env_parallel.ksh`' >> $HOME/.kshrc + Supports: variables, aliases, functions, arrays + +mksh: Put this in $HOME/.mkshrc: source `which env_parallel.mksh` + E.g. by doing: echo 'source `which env_parallel.mksh`' >> $HOME/.mkshrc + Supports: variables, aliases, functions, arrays + +pdksh: Put this in $HOME/.profile: source `which env_parallel.pdksh` + E.g. by doing: echo '. `which env_parallel.pdksh`' >> $HOME/.profile + Supports: variables, aliases, functions, arrays + +zsh: Put this in $HOME/.zshrc: . `which env_parallel.zsh` + E.g. by doing: echo '. `which env_parallel.zsh`' >> $HOME/.zshenv + Supports: variables, functions, arrays + +ash: Put this in $HOME/.profile: . `which env_parallel.ash` + E.g. by doing: echo '. `which env_parallel.ash`' >> $HOME/.profile + Supports: variables, aliases + +dash: Put this in $HOME/.profile: . `which env_parallel.dash` + E.g. by doing: echo '. `which 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: . `which env_parallel.bash` +ksh: source `which env_parallel.ksh` +mksh: source `which env_parallel.mksh` +pdksh: source `which env_parallel.pdksh` +zsh: . `which env_parallel.zsh` +ash: . `which env_parallel.ash` +dash: . `which env_parallel.dash` + +For details: see man env_parallel + +_EOS |