profile-cleaner

#!/bin/bash

do_clean() {
    bsize=$(stat --printf="%s" "$1")
    sqlite3 "$1" vacuum &>/dev/null
    sqlite3 "$1" reindex &>/dev/null
    asize=$(stat --printf="%s" "$1")
    dsize=$(echo "scale=2; ($bsize-$asize)/1048576" | bc)
    echo "$1" reduced by "$dsize" Mbytes
}

export -f do_clean

cd ~/.config

profiles=()

[ -d google-chrome ]  && profiles+=("google-chrome")
[ -d chromium ]       && profiles+=("chromium")
[ -d mozilla ]        && profiles+=("mozilla")

if [ ${#profiles[@]} -eq 0 ]; then
    echo "No profiles found" 1>&2
    exit 1
fi

find "${profiles[@]}" -type f -print0 | xargs -0 file | grep SQLite | grep -v "Local Storage" | \
    awk -F: 'BEGIN { ORS = "\0" } ; { print $1 }' | \
    xargs -P $(nproc --ignore=2) -0 -I {} bash -c "do_clean '{}' 2>/dev/null"