Geolog Update-Script

#! /bin/bash

bin_dir="${HOME}/bin"

## get current versions
geolog_url="http://geolog.sourceforge.net/geolog.html"
online_version=`wget -q -O - ${geolog_url} | awk ' /most recent version/ { print $6 } '`
local_version=`${bin_dir}/geolog.pl -v | awk ' { print $3 } '`

if [ ${online_version} != ${local_version} ];
then
    ## url for download
    geolog_sf_url="https://sourceforge.net/project/downloading.php?groupname=geolog&filename=geolog-${online_version}.tgz"
    dst_file="/tmp/geolog.tgz"
    wget -q -O $dst_file $geolog_sf_url
    [[ $? != 0 ]] &&
        echo "Error download geolog version $online_version, aborting." &&
        exit 1

    tar -C /tmp -xzf $dst_file geolog-$online_version/geolog.pl
    mv /tmp/geolog-$online_version/geolog.pl $bin_dir/geolog.pl

    echo "Upgrade to geolog-version: `${bin_dir}/geolog.pl -v`"
fi

#EOF