translator.sh

#!/bin/bash
#----------
# Set variables
sl='en'
tl=''
query=''
#----------
# Get the options
while getopts ":s:t:q:" option; do
    case $option in
        s) # source language
            sl=$OPTARG;;
        t) # translate language
            tl=$OPTARG;;
        q) # query text
            query=$OPTARG;;
        \?) # Invalid option
            echo "Error: Invalid option"
            exit;;
    esac
done
#----------
query=$( echo $query | sed -e "s/\ /+/g" )
url="https://translate.googleapis.com/translate_a/single?client=gtx&sl=${sl}&tl=${tl}&dt=t&q=${query}"
agent='Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36'
response=$(curl -sA "${agent}" "${url}")
translate=$( echo ${response} | sed 's/","/\n/g' | sed -E 's/\[|\]|"//g' | head -1 )
echo "$translate"