Open Realm DB in Realm Studio for active iOS Simulator

realm-open.sh

# Realm DB - find and open for active iOS simulator
# Usage: Add to ~/.zshrc, then run: source ~/.zshrc && realm-open

realm-open() {
    local booted=$(xcrun simctl list devices booted -j | python3 -c "
import sys,json
d=json.load(sys.stdin)
sims=[(u['name'],u['udid']) for devs in d['devices'].values() for u in devs if u.get('state')=='Booted']
for name,udid in sims: print(f'{name}|{udid}')
")
    local count=$(echo "$booted" | grep -c '|')

    if [[ $count -eq 0 ]]; then
        echo "No booted simulator found"
        return 1
    elif [[ $count -eq 1 ]]; then
        local udid=$(echo "$booted" | cut -d'|' -f2)
    else
        echo "Select simulator:"
        local i=1
        echo "$booted" | while read line; do
            echo "  $i) $(echo $line | cut -d'|' -f1)"
            ((i++))
        done
        read "choice?Enter number: "
        local udid=$(echo "$booted" | sed -n "${choice}p" | cut -d'|' -f2)
    fi

    local realm_file=$(find ~/Library/Developer/CoreSimulator/Devices/$udid -name "*.realm" 2>/dev/null | head -1)
    if [[ -n "$realm_file" ]]; then
        echo "Opening: $realm_file"
        open -a "Realm Studio" "$realm_file"
    else
        echo "No realm file found"
    fi
}