List all display sizes and origins in /Library/Preferences/com.apple.windowserver.plist

list_displays.sh

#!/bin/bash

output=""
numDisplaySets=`/usr/libexec/PlistBuddy -c "Print DisplaySets" /Library/Preferences/com.apple.windowserver.plist | grep -E '^    Array' | wc -l`
for (( curDisplaySetNum=0; curDisplaySetNum<$numDisplaySets; curDisplaySetNum++ ))
do
    echo "DisplaySet "$curDisplaySetNum
    curDisplayNum=0
    notdone=1
    while [[ "$notdone" -ne 0 ]]
    do
        cur=`echo -e "Print DisplaySets:"$curDisplaySetNum":"$curDisplayNum":Width\nPrint DisplaySets:"$curDisplaySetNum":"$curDisplayNum":Height\nPrint DisplaySets:"$curDisplaySetNum":"$curDisplayNum":OriginX\nPrint DisplaySets:"$curDisplaySetNum":"$curDisplayNum":OriginY" | /usr/libexec/PlistBuddy ~/Library/Preferences/ByHost/com.apple.windowserver.*.plist 2>&1 | sed -e 's/Command: //g'`
        if [[ $cur == *"Does Not Exist"* ]]
        then
            notdone=0
        else
            echo "    "$cur
        fi
        #echo $cur
        curDisplayNum=`echo $curDisplayNum+1 | bc`
    done
done