Use google translate to translate words or sentences using dmenu

dmenu-translate.sh

#!/bin/sh
cmd=$(dmenu_path | dmenu "$@")

case $cmd in 
    # translate e.g. `en:es hello world` -> translate hello world to spanish
    *:* ) lang1=$(echo $cmd | cut -d':' -f1);
          lang2=$(echo $cmd | cut -d':' -f2 | cut -d' ' -f1);
          query=$(echo $cmd | cut -d':' -f2 | awk '{for(i=2;i<=NF;i++) print $i}'); # get query after `es:en `
          query=$(echo $query | sed -E 's/\s{1,}/\+/g'); # substitute spaces for `+`

          base_url="https://translate.googleapis.com/translate_a/single?client=gtx&sl=${lang1}&tl=${lang2}&dt=t&q="
          ua='Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36'
          full_url=${base_url}${query}
          response=$(curl -sA "${ua}" "${full_url}")

          translated=`echo ${response} | sed 's/","/\n/g' | sed -E 's/\[|\]|"//g' | head -1` # clean up the request
          echo $translated | dmenu;;
    * )   ${cmd};;
esac