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