MPL licence file and 1st trans.sh version
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162
bash/trans.sh
Executable file
162
bash/trans.sh
Executable file
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#!/bin/bash
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#
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# trans.sh - Translate words using linguee.com.
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#
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# (C) Bruno Raoult, 2021
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# Licensed under the Mozilla Public License (MPL) version 2.0.
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# Some rights reserved. See COPYING.
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#
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# You should have received a copy of the Mozilla Public License along with this
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# program. If not, see <https://www.mozilla.org/en-US/MPL>
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#
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# SPDX-License-Identifier: MPL-2.0 <https://spdx.org/licenses/MPL-2.0.html>
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#
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# Options: See usage function in code below.
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CMD=${0##*/}
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SRC=""
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DST=""
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KEEPTMP=false
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FILTER="cat"
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# languages names.
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declare -A lang=(
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[bg]="bulgarian" [cs]="czech" [da]="danish"
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[de]="german" [el]="greek" [en]="english"
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[es]="spanish" [et]="estonian" [fi]="finnish"
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[fr]="french" [hu]="hungarian" [it]="italian"
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[ja]="japanese" [lt]="lithuanian" [lv]="latvian"
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[mt]="maltese" [nl]="dutch" [pl]="polish"
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[pt]="portuguese" [ro]="romanian" [ru]="russian"
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[sk]="slovak" [sl]="slovene" [sv]="swedish"
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[zh]="chinese"
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)
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# languages which can only translate to/from english
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declare -A englishonly=(
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[ja]="japanese" [ru]="russian" [zh]="chinese"
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)
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usage () {
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printf "Usage: %s [OPT] word\n" "$CMD"
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printf "Translate a word between languages.\n\n"
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printf "Options:\n"
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printf " -1 Display only first line.\n"
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printf " -f LANG Translate from language LANG (default: fr).\n"
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printf " -k Keep temporary file (and displays its name).\n"
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printf " -l List accepted languages.\n"
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printf " -t LANG Translate to language LANG (default: en).\n"
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printf " -h,-? This help.\n"
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printf "\n"
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printf "If only one of -f or -t options is used, the other language will default to 'en'.\n"
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printf "If none is specified, default will be '-f fr -t en'.\n"
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exit 1
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}
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list_languages() {
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local k e
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for k in "${!lang[@]}"; do
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e=""
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[[ -v englishonly[$k] ]] && e=" (English only)"
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printf "%s: %s %s\n" "$k" "${lang[$k]}" "$e"
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done
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}
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while getopts "1f:t:klh?" opt; do
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case "$opt" in
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1) FILTER="head -1"
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;;
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f) SRC="$OPTARG"
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if [[ ! -v lang[$SRC] ]]; then
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printf "%s: unknown source language.\n" "$SRC"
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exit 1
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fi
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;;
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k) KEEPTMP=true
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;;
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l) list_languages
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exit 0
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;;
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t) DST="$OPTARG"
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if [[ ! -v lang[$DST] ]]; then
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printf "%s: unknown target language.\n" "$SRC"
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exit 1
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fi
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;;
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*) usage
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;;
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esac
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done
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if [[ -z "$SRC" && -z "$DST" ]]; then
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SRC=fr
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DST=en
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elif [[ -z "$SRC" ]]; then
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SRC="en"
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elif [[ -z "$DST" ]]; then
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DST="en"
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fi
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if [[ "$SRC" = "$DST" ]]; then
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printf "%s: cannot translate to itself.\n" "$SRC"
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exit 1
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fi
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if [[ -v englishonly[$SRC] && $DST != en ]]; then
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printf "%s: setting target language to english.\n" "$SRC"
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DST=en
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fi
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if [[ -v englishonly[$DST] && $SRC != en ]]; then
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printf "%s: can only translate from english.\n" "$DST"
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exit 1
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fi
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shift $((OPTIND - 1))
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(( $# != 1 )) && usage
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word=$1
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tmpfile=$(mktemp --tmpdir= trans-XXXXX)
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curl -Gis "https://www.linguee.com/${lang[$SRC]}-${lang[$DST]}/search" \
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--data-urlencode "qe=${word}" \
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--data-urlencode "source=${lang[$SRC]}" |
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dos2unix > "$tmpfile"
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# not sure what these options are for
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#--data-urlencode "cw=788" \
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#--data-urlencode "ch=1055" \
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# --data-urlencode "as=shownOnStart" \
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# -H 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:82.0) Gecko/20100101 Firefox/82.0' \
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# -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' \
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# -H 'Accept: */*' | \
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encoding=$(sed -n '/charset=/{s/^.*charset="\(.*\)".*$/\1/p; q}' "$tmpfile")
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sed '1,/^$/d' "$tmpfile" |
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iconv -f "$encoding" -t "utf-8" |
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hxunent |
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hxprune -c wordtype |
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hxprune -c main_wordtype |
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hxprune -c suggest_row |
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hxprune -c sep |
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hxprune -c placeholder |
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# select text
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hxselect -s "\n" -l en -i -c div.main_item, div.translation_item |
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# left trim blanks
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sed -e 's/^ *//' |
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# remove double blank lines only
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sed -e 'N;/^\n$/d;P;D' |
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# merge consecutive non blank lines
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sed -e '/./{:a;N;s-\n\(.\)-, \1-;ta}' |
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# merge lines separated by a blank line, \t as separator
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sed -e 'N;N;s/\n\n/\t/;P;D' |
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${FILTER} |
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# column display
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column -t -s$'\t'
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#printf "%s\n%s\n" "$tmpfile" "$encoding"
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if [[ $KEEPTMP = true ]]; then
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printf "\nWarning: Retained temp file: %s\n" "$tmpfile"
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else
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rm "$tmpfile"
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fi
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exit 0
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