system/wallpapers/build.sh

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#!/bin/bash
cd -- $(dirname "$0")
echo "Change dir: $PWD"
jpg_file_names=$(exa -1 | grep jpg)
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jpg_file_count=$(exa -1 | grep jpg | wc -l)
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if [[ $jpg_file_names != "" && $jpg_file_count != "0" ]]; then
echo found: $jpg_file_count images
echo converting to png...
for f in $jpg_file_names
do
echo " $f -> ${f%.jpg}.png"
convert "$f" "${f%.jpg}.png"
done
echo done
else
echo nothing to convert
fi