Install VueScan on Debian

install-vuescan.sh

#!/bin/bash
#title			:install-vuescan.sh
#description	:This script will install VueScan onto a Debian system
#author			:Richard Ayotte
#usage			:install-vuescan.sh vuescan.tgz
#requirements	:alien, the Industrial GTK theme and sudo access
#==============================================================================

if [ "$#" -ne 1 ]; then
	echo "You must specify the VueScan tgz file."
	exit
fi

target=/tmp

tar -xzf $1 -C $target
cd $target/VueScan

if [ "$PWD" != "$target/VueScan" ]; then
	echo "The file provided is invalid. VueScan path is missing."
	exit
fi

mkdir -p usr/local/bin
mkdir -p usr/local/share/applications
mkdir -p usr/local/share/vuescan

# Create Desktop entry
cat <<EOT > usr/local/share/applications/vuescan.desktop
[Desktop Entry]
Name=VueScan
GenericName=Scan
Exec=vuescan
Icon=/usr/local/share/vuescan/vuescan.svg
Terminal=false
X-MultipleArgs=false
Type=Application
StartupNotify=true
Categories=GNOME;System;
Comment=Scanning
Keywords=scan;scanner;
EOT

# Create launch script
cat <<EOT > usr/local/bin/vuescan
#!/bin/sh
GTK2_RC_FILES=/usr/share/themes/Industrial/gtk-2.0/gtkrc /usr/local/share/vuescan/vuescan
EOT

chmod +x usr/local/bin/vuescan

mv vuescan* usr/local/share/vuescan/
tar -czf vuescan.tgz usr/
sudo alien --to-deb vuescan.tgz
sudo dpkg -i vuescan*.deb
rm -rf $target/VueScan