Canais de TV no terminal..

#!/usr/bin/env bash

# Dependencies:
# sudo apt install golang whiptail
# export GOPATH=$HOME/go
# export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
# go get github.com/ericchiang/pup

install_whiptail() {
  if [ -f /etc/apt/sources.list ]; then
    sudo apt install whiptail
  fi
}

check_dependencies() {
  if ! dpkg-query -W --showformat='${db:Status-Status}' whiptail 2>&1 | grep -q installed; then
    whiptail --title "Dependência não instalada" --yesno "Uma dependência não está instalada.\nDeseja instalá-la?" 8 40
    if [ $? -eq 0 ]; then
      install_whiptail
    else
      exit 0
    fi
  fi
}

get_channel() {
  CANAL=$(whiptail --inputbox "Digite o canal com letras minúsculas:" --title "Qual o canal?" 8 40 3>&1 1>&2 2>&3)

  # Use a map to match channel names to URLs
  channel_map=(
    ["globo"]="https://meuguia.tv/programacao/canal/GRD"
    ["band"]="https://meuguia.tv/programacao/canal/BAN"
    ["mtv"]="https://meuguia.tv/programacao/canal/MTV"
    ["record"]="https://meuguia.tv/programacao/canal/REC"
    ["redetv"]="https://meuguia.tv/programacao/canal/RTV"
    # ...
  )

  # Get the corresponding URL for the provided channel name
  if [[ -z "${channel_map[$CANAL]}" ]]; then
    whiptail --title "Erro" --msgbox "Canal não cadastrado ou escrito com letras maiúsculas." 8 40
    exit 0
  fi
  CANAL="${channel_map[$CANAL]}"
}

set_txt() {
  # Use curl and pup to extract data from the specified URL
  curl -s "$CANAL" | pup '.lileft text{}' > horarios.txt
  curl -s "$CANAL" | pup 'h2 text{}' > filmes.txt

  paste horarios.txt filmes.txt > horarios_filmes.txt

  # Clean up temporary files
  rm -rf horarios.txt filmes.txt

  # Report success if the file was created
  if [ -f horarios_filmes.txt ]; then
    whiptail --title "Sucesso" --msgbox "Arquivo criado com sucesso." 8 40
  fi
}

check_dependencies
get_channel
set_txt