#!/bin/sh
########################################
# Description: This script is used to show Linux distribution information.
# Required files: lsb_release, wc, cut, sed, cat, grep, uniq, uname
########################################

####################
# Main
####################
lsb_release -v > /dev/null 2>&1
if [ $? -eq 0 ]
    then
        line_count=`lsb_release -a /dev/null 2>&1 | wc -l`
        if [ $line_count -gt 1 ]
            then
                release_words=`lsb_release -r | cut -d : -f 2 | wc -w`
                if [ $release_words -gt 1 ]
                    then
                        distribution=`lsb_release -r | cut -d : -f 2 | sed 's/^[ \t]*//;s/[ \t]*$//'`
                    else
                        distribution=`lsb_release -d | cut -d : -f 2 | sed 's/^[ \t]*//;s/[ \t]*$//'`
                fi
            else
                distribution=`lsb_release -a`
        fi
    else
        cat /etc/*release | grep -v = | grep '.' | uniq | grep ' ' > /dev/null
        if [ $? -eq 0 ]
            then
                distribution=`cat /etc/*release | grep -v = | grep '.' | uniq | grep ' '`
            else
                distribution=`cat /etc/*release | grep '^PRETTY_NAME=' | cut -d = -f 2 | sed 's/^["\t]*//;s/["\t]*$//'`
        fi
fi
architecture=`uname -m`
echo Distribution: $distribution
echo Architecture: $architecture
exit 0