public-scripts/friendica-remove-old-photos-parallel.sh

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#!/bin/bash
IFS="
"
dbengine=""
if [[ -n $(type mariadb) ]]; then
dbengine="mariadb"
elif [[ -n $(type mysql) ]]; then
dbengine="mysql"
else
exit
fi
#Set your parameters here
url=friendica.example.net
db=friendica
folder=/var/www/friendica
folderavatar=/var/www/friendica/avatar
loop() {
#Parse each file in folder
folderescaped=${folder////\\/}
ky=$(echo "${y}" | sed -e "s/${folderescaped}/https:\/\/${url}/g" -e "s/-[0-9]*\..*\$//g")
f=$("${dbengine}" "${db}" -N -B -q -e "select photo from contact where photo like '${ky}%' limit 1")
if [[ $? -eq 0 && -z ${f} && -f ${y} ]]; then
rm -rvf "${y}" &
if [[ $(jobs -r -p | wc -l) -ge $(($(getconf _NPROCESSORS_ONLN) * 2)) ]]; then
wait -n
fi
d=$((d + 1))
fi
#printf "\rPhotos: %s\tFolder %s\tEntry %s " "$d" "$n" "$m"
printf "\rFolder %s\tEntry %s " "${n}" "${m}"
return "${d}"
}
date
#Go to the Friendica installation
cd "${folderavatar}" || exit
#indexlength=$((49 + ${#url}))
#"${dbengine}" "${db}" -e "alter table contact add index if not exists photo_index (photo(${indexlength}))"
n=0
d=0
while read -r x; do
n=$((n + 1))
#If the directory still exists
if [[ -d "${x}" ]]; then
m=0
while read -r y; do
m=$((m + 1))
loop "${x}" "${m}" "${n}" "${d}" "${y}" &
if [[ $(jobs -r -p | wc -l) -ge $(($(getconf _NPROCESSORS_ONLN) * 2)) ]]; then
wait -n
fi
done < <(find "${x}" -type f)
fi
done < <(find "${folderavatar}" -depth -mindepth 1 -maxdepth 1 -type d)
#"${dbengine}" "${db}" -e "alter table contact drop index photo_index"
date