nsbin/old/bg-image.dellist

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2006-07-20 07:54:37 +00:00
#!/bin/sh
#
# Nico Schottelius <nico@schottelius.(net|org)>
# Date: 30-Jul-2003
# Last Modified: -
#
# generates a random background
# use `find imagedir > ~/.bgimages" and then run this script
#
FILE="$HOME/.bgimages"
CUR_FILE="$HOME/.bgimages-current"
TMP="/tmp/`basename $0`.$USER.$$"
IMG="/NONEXISTEN"
MAKEBG="wmsetbg -a -b black"
while [ ! -f "$IMG" -o -z "$IMG" ]; do
NUM=`cat $FILE | wc | awk '{ print $1 }'`
NUM="$[$NUM+1]" # random uses -1
TAKETHIS=`echo $(($RANDOM % $NUM))`
IMG=`head -n$TAKETHIS "$FILE" | tail -n1`
echo "$IMG" > ~/.bgimages-current
cat $FILE | grep -v "^$IMG\$" > $TMP
mv $TMP $FILE
done
$MAKEBG $IMG