#!/bin/sh
help(){
    echo "Usage: $0 <filename.[avi|dv|qt]>"
    exit 0
}
if test "$#" != "1"
then
    help
fi

case $1 in
*.dv)
    base=`echo $1 | sed "s/.dv$//"`
    frmt="raw"
    extn="dv" ;;
*.avi)
    base=`echo $1 | sed "s/.avi$//"`
    frmt="dv2"
    extn="avi" ;;
*.qt)
    base=`echo $1 | sed "s/.qt$//"`
    frmt="qt"
    extn="qt" ;;
*.mov)
    base=`echo $1 | sed "s/.mov$//"`
    frmt="qt"
    extn="qt" ;;
*)
    help ;;
esac

echo Capturing $base$i$j.$extn...
dvgrab --size 1536 --format $frmt --noavc $base