Returns list of macOS users with active Personal OneDrive syncing.

Personal OneDrive Users.sh

#!/bin/bash

# get list of user home folders of users with UIDs over 500
userList=$( dscl . list /Users UniqueID | awk '$2 > 500 { print $1 }' )

# get current epoch time
rightNow=$( /bin/date "+%s")

# recurse through user list
for aUser in $userList
do
    # read the LastRefresh line from the ClientPolicy.ini file
    echo "Getting ClientPolicy.ini for user $aUser"
    lastRefresh=$( sudo -Hu "$aUser" bash -c '/bin/cat "$HOME/Library/Application Support/OneDrive/settings/Personal/ClientPolicy.ini" 2> /dev/null | grep LastRefresh' )

    # list user as active if the last refresh was less than 24 hours (86400 seconds) ago
    if [ $((rightNow-lastRefresh)) -lt 86400 ]; then
        activeUsers="$aUser $activeUsers"
        echo "Active user: $aUser"
    fi  
done

echo "<result>$activeUsers</result>"

exit 0