Script for download standalone Chrome browser

chrome_downloader.sh

#!/bin/sh

GOOGLE_DL="https://dl.google.com"

WIN_32="/update2/installers/ChromeStandaloneSetup.exe"
WIN_64="/update2/installers/ChromeStandaloneSetup64.exe"
MAC="/chrome/mac/stable/GGRO/googlechrome.dmg"

DL_WIN_DIR=./chrome/windows
DL_MAC_DIR=./chrome/macos

if [[ ! -d $DL_WIN_DIR ]];
then
    mkdir -p $DL_WIN_DIR
fi

if [[ ! -d $DL_MAC_DIR ]];
then
    mkdir -p $DL_MAC_DIR
fi

function win32()
{
    echo "Downloading Chrome for Windows 32bit ..."
    curl -# -o "$DL_WIN_DIR/ChromeStandaloneSetup.exe" $GOOGLE_DL$WIN_32
}

function win64()
{
    echo "Downloading Chrome for Windows 64bit ..."
    curl -# -o "$DL_WIN_DIR/ChromeStandaloneSetup64.exe" $GOOGLE_DL$WIN_64
}

function macos()
{
    echo "Downloading Chrome for macOS ..."
    curl -# -o "$DL_MAC_DIR/googlechrome.dmg" $GOOGLE_DL$MAC
}

case "$1" in
    win64)
        win64
        ;;
    win32)
        win32
        ;;
    mac|macos)
        macos
        ;;
    all|*)
        win32
        win64
        macos
        ;;
esac