NBash

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#!/bin/sh
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#
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# Copyright (C) 2022, 2023  Etersoft
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# Copyright (C) 2022, 2023  Vitaly Lipatov <lav@etersoft.ru>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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epm_tool_help()
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{
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    echo "Tools embedded in epm:"
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    get_help HELPCMD $SHAREDIR/epm-tool
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    cat <<EOF
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  Examples:
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    epm tool eget -U http://ya.ru
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    epm tool estrlist union a b a c
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    epm tool erc archive.zip
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EOF
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}
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epm_tool()
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{
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    local WHAT="$1"
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    shift
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    case "$WHAT" in
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        "")
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            fatal "Use epm tool --help to get help."
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            ;;
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        "-h"|"--help"|"help")
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            epm_tool_help
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            ;;
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        "eget")                      # HELPCMD: downloading tool (simular to wget or curl)
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            showcmd eget "$@"
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            eget "$@"
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            ;;
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        "erc")                       # HELPCMD: universal archive manager
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            showcmd erc "$@"
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            erc "$@"
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            ;;
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        "ercat")                     # HELPCMD: universal file uncompressor
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            showcmd ercat "$@"
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            ercat "$@"
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            ;;
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        "estrlist")                  # HELPCMD: string operations
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            showcmd estrlist "$@"
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            estrlist "$@"
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            ;;
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        "json")                      # HELPCMD: json operations
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            showcmd json "$@"
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            $CMDSHELL $SHAREDIR/tools_json "$@"
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            ;;
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        "yaml")                      # HELPCMD: parse yaml operations
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            showcmd yaml "$@"
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            $CMDSHELL $SHAREDIR/tools_yaml "$@"
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            ;;
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        "which")
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            print_command_path "$@"  # HELPCMD: which like command (no output to stderr, can works without which package)
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            ;;
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        *)
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            fatal "Unknown command $ epm tool $WHAT. Use epm print help for get help."
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            ;;
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    esac
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}
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