BlockCountries Installation aid

#!/bin/bash

if ! which perl > /dev/null 2>&1 ; then
    echo "You need to install perl"
    exit 1
fi

function needs {
    m="$1"
    if ! perl -m"$m" -e'exit;' >/dev/null 2>&1 ; then
        echo "You need to install the perl module $m"
        echo "Fetch it from your distribution or from cpan"
        exit 1
    fi
    return 0
}

needs File::Basename
needs File::Path
needs IO::Uncompress::Gunzip
needs Locale::Country
needs LWP::Simple
needs NetAddr::IP
needs Net::Domain
needs Parse::Syslog
needs POSIX
needs Text::ParseWords

echo "All needed perl modules are installed"

exit 0