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#!/bin/sh
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[ -e "$1" ] || exit 1
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if [ -d $1 ]; then
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bg=$(ls $1 | shuf -n 1)
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bg="$1/$bg"
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elif [ -f $1 ]; then
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bg=$1
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else
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exit 1
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fi
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echo $bg
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feh --bg-fill "$bg"
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