apod_setbg

#!/usr/bin/env bash

boom() {
    echo "Fatal error."
    exit 1
}

PATH="$PATH:$(dirname $0)"  # In case we're not globally installed
file_dst=${@: -1:1}
font=$(dirname $0)/font/Istok-Regular.ttf

if [ ! $DISPLAY ]; then     # DISPLAY isn't set by crontab
    export DISPLAY=:0.0 # (it's needed to get the desktop size)
fi

if [ ! -f $font ]; then
    echo Unable to find \"$font\": Please edit $0 to specify a working \
    font path.
    exit
fi

linnea_annotate --font-file="$font" \
        --font-pts=12 \
        --valign=bottom \
        $@ || boom

if [ "$APOD_BG_SET" ]; then
    echo $APOD_BG_SET \"$file_dst\"
    $APOD_BG_SET "$file_dst" || boom
else
    echo -e "\nEnvironment variable APOD_BG_SET is unset!
Do something like \e[1mexport APOD_BG_SET=\"feh --bg-fill\"\e[0m to set it.
In the meantime, let's try a few alternatives which you might have.\n"

    # Some entries shamelessly stolen from awsetbg
    bgtry[0]='fbsetbg' 
    bgtry[1]='hsetroot -full'
    bgtry[2]='feh --bg-fill'
    bgtry[3]='esetroot -fit'
    bgtry[4]='habak -mS'
    bgtry[5]='qiv -m -root'
    bgtry[6]='chbg -once -mode smart -max_grow 100 -max_size 100'
    bgtry[7]='xsri --center --center-y --scale-width=100 --scale-height=100 --keep-aspect'
    bgtry[8]='gconftool-2 -t str -s /desktop/gnome/background/picture_options zoom; gconftool-2 -t str -s /desktop/gnome/background/picture_filename'

    failed=1
    for try in "${bgtry[@]}"; do

        APOD_BG_SET="$try"

        echo -n "Trying '$APOD_BG_SET \"$file_dst\"': "
        eval $APOD_BG_SET "$file_dst"

        if [ $? == 0 ]; then
            failed=0
            echo "Success!"
            break;
        fi
    done

    if [ $failed = 1 ]; then
        echo "Exhausted all tries - GIVING UP."
        exit 1
    fi
fi