irc

#!/bin/bash
# marbu's irc wrapper

TUI_CLIENT="irssi"
GUI_CLIENT="xchat"

show_help() {
  echo "Usage: irc <command>"
  echo """Commands:
  shell    run $TUI_CLIENT
  screen   run $TUI_CLIENT inside screen
  x        run $GUI_CLIENT
  help     this message"""
}

run_tui() {
  exec $TUI_CLIENT
}

run_screen() {
  screen -S irc_wrapper -x || \
  screen -S irc_wrapper -c ~/.screen/$TUI_CLIENT
}

run_gui() {
  nohup $GUI_CLIENT 2>&1 >/dev/null &
  exit
}

make_guess() {
  if [[ $DISPLAY ]]; then
    run_gui
  else
    run_tui
  fi
}

# main
export LANG=C

if [[ $# = 0 ]]; then
  make_guess
fi

case $1 in
  s|shell|tui) run_tui;;
  x|X|gui)   run_gui;;
  sc|screen) run_screen;;
  help)      show_help;;
  *)         show_help;;
esac