Translate selection and view it with notify-send

translate-xsel.sh

#!/bin/sh

# translate-xsel - translate clipboard via "Google Translate"

die() {
	printf 'translate-xsel: %s' "$1" >&2
	notify-send "translate-xsel" "$1"
	exit 1
}

sl='auto'
tl='en'

src=$(xclip -o)
[ $? -ne 0 ] && die 'xclip retcode is not 0 (do you have xclip?)'
[ -z "$src" ] && die 'Empty clipboard, nothing to translate'

raw=$(wget -U "Mozilla/5.0" -qO- "http://translate.googleapis.com/translate_a/single?client=gtx&sl=${sl}&tl=${tl}&dt=t&q=${src}")
[ $? -ne 0 ] && die 'wget retcode is not 0'

translated=$(printf '%s' "$raw" | jq -r '.[0]?[0]?[0]? // .')
[ -n "$translated" ] || die "Not translated"

notify-send "translate-xsel" "${src}\n${translated}"