If Apple Care is active, there may be a file in the primary Users Library folder.

applecare_status.sh

#!/bin/sh

### If Apple Care is active, there may be a file in the primary Users Library folder.

### Get the current user's username and home folder location
loggedInUser=$(ls -l /dev/console | awk '{ print $3 }')
myUserHome=$(dscl . read /Users/$loggedInUser NFSHomeDirectory | awk '{print $NF}')

echo "The logged in user is $loggedInUser"

### Check if the Warranty file exists
warrantyDir="/Users/$loggedInUser/Library/Application Support/com.apple.NewDeviceOutreach/"
if [ ! -d "$warrantyDir" ]; then
    echo "No Warranty Directory"
    exit 1
fi

cd "$warrantyDir" || exit 1

warrantyFiles=(*_Warranty)

# Loop to look at each file one at a time and stop if condition is true
for i in "${warrantyFiles[@]}"
do
    echo "$i"
    ### Get the warranty expiration date in epoch seconds.
    expires=$(defaults read "$warrantyDir/$i" coverageEndDate 2>/dev/null)

    if [ -z "$expires" ]; then
        echo "File has no expiration date – skipping this file."
    else
        ### Convert epoch to a standard date format
        APCexpires=$(date -j -f '%s' "$expires" +%b\ %d,\ %Y)
        echo "$APCexpires"
        exit 0
    fi
done

echo "No Warranty File"
exit 0