What is it written on?

Question

Programming languages

Good afternoon!
There are several questions
1) what language is it written in?

#!/usr/bin/env bash




botToken="414612848:AAGs2pMUNCDIQIrHrABU8xYXGxXVzPcRSrI";
channelId="-1013332055484";
channelName="@superchannel";
postImage=`sort --random-sort /opt/telegram/superchannel/food.url.list | head -n 1`

wget -q -O /dev/null "https://api.telegram.org/bot$botToken/sendPhoto?chat_id=$channelId&photo=$postImage&caption=$channelName&disable_notification=1"

removeImage=`echo $postImage | cut -d "/" -f 6`;
sed -i "/$removeImage/d" /opt/telegram/superchannel/food.url.list;

exit 0;

2) in what format it is better to save it?
3)Will it work in CRON?

Answer 1

1) bash
2) ???
3) will

Answer 2

then bash most likely