Script to install the original Microsoft Tahoma font on Ubuntu distros

ttf-ms-tahoma-installer.sh

#!/bin/bash
# Author: Maxwel Leite
# Website: http://needforbits.wordpress.com/
# Description: Script to install the original Microsoft Tahoma Regular and MS Tahoma Bold (both version 2.60) on Ubuntu distros.
# Dependencies: wget and cabextract
# Tested: Ubuntu Saucy/Trusty/Xenial/Bionic

output_dir="/usr/share/fonts/truetype/msttcorefonts/"
tmp_dir="/tmp/ttf-ms-tahoma-installer"

if [[ $EUID -ne 0 ]]; then
    echo -e "You must be a root user!\nTry: sudo ./ttf-ms-tahoma-installer.sh" 2>&1
    exit 1
fi

if ! which wget >/dev/null; then
    echo "Error: wget is required to download the file"
    echo "Run the following command to install it:"
    echo "sudo apt-get install wget"
    exit 1
fi

if ! which cabextract >/dev/null; then
    echo "Error: cabextract is required to unpack the files"
    echo "Run the following command to install it:"
    echo "sudo apt-get install cabextract"
    exit 1
fi

file="$tmp_dir/IELPKTH.CAB"
mkdir -p "$tmp_dir"
cd "$tmp_dir"
err=0

echo -e "\n:: Downloading IELPKTH.CAB...\n"
wget -O "$file" https://master.dl.sourceforge.net/project/corefonts/OldFiles/IELPKTH.CAB
if [ $? -ne 0 ]; then
    rm -f "$file"
    echo -e "\nError: Download failed!?\n"
    err=1
else
    echo -e "Done!\n"
fi

if [ $err -ne 1 ]; then
    echo -n ":: Extracting... "
    cabextract -t "$file" &> /dev/null
    if [ $? -ne 0 ]; then
        echo "Error: Can't extract. Corrupted download!?"
        err=1
    else
        cabextract -F 'tahoma*ttf' "$file" &> /dev/null
        if [ $? -ne 0 ]; then
            echo "Error: Can't extract 'tahoma.ttf' and 'tahomabd.ttf' from 'IELPKTH.CAB'. Corrupted download!?"
            err=1
        else
            echo "Done!"
        fi
    fi
fi

if [ $err -ne 1 ]; then
    echo -n ":: Installing... "
    mkdir -p "$output_dir"
    cp -f "$tmp_dir"/*.ttf "$output_dir"  &> /dev/null
    if [ $? -ne 0 ]; then
        echo "Error: Can't copy files to output directory."
        err=1
    else
        echo "Done!"
    fi
fi

if [ $err -ne 1 ]; then
    echo -n ":: Clean the font cache... "
    fc-cache -f "$output_dir" &> /dev/null
    echo "Done!"
fi

echo -n ":: Cleanup... "
cd - &> /dev/null
rm -rf "$tmp_dir" &> /dev/null
echo "Done!"

if [ $err -ne 1 ]; then
    echo -e "\nCongratulations! Installation of ttf-ms-tahoma-installer is successful!!\n"
else
    echo -e "\nSome error occurred! Please try again!!\n"
fi