slideshow

#!/bin/bash

if [ $# -lt 2 ]
then
    echo
    echo
    echo "You are missing some parameters."
    echo
    echo "example: $0 *.jpg"
    echo
    exit 1
fi

echo -n "Give a name to your new wallpaper slideshow: "; read showname
echo -n "How many seconds do you want each image to display before switching? "; read hold
echo -n "How many seconds would you like the transition to take? "; read fade

#params
outfile=backgrounds.xml


#DEBUG
echo
echo "Executing ..."
echo "Output to $outfile"

#remove hold parameter
#shift
#remove fade parameter
#shift

( #all of the contents in parentheses will be output to the outfile.
echo "<background>"
echo "  <starttime>"
echo "    <year>2011</year>"
echo "    <month>01</month>"
echo "    <day>01</day>"
echo "    <hour>00</hour>"
echo "    <minute>00</minute>"
echo "    <second>00</second>"
echo "  </starttime>"

while [ $# -gt 0 ]
do
    echo
    echo "  </transition>"
    echo "    <duration>$fade</duration>"
    echo "    <from>$1</from>"
    echo "    <to>$2</to>"
    if [ $# -gt 1 ]
    then
        echo "    <to>$1</to>"
    else
        echo "    <to>$1</to>"
    fi
    echo "  </transition>"

    shift
done
echo "</background>"
#Closing parenthesis marks the end of material to be output to the outfile.
)>$outfile