Use RAM disk for macOS caches and logs

createramdiskatboot.command

#!/bin/bash
while [ ! -d /Volumes ]
do
    echo "waiting..."
    sleep 0.5
done
if [ ! -d /Volumes/RamDisk ]; then
    echo "creating ramdisk..."
    sleep 0.5
    diskutil partitionDisk $(hdiutil attach -nomount ram://$((2048*16000))) 1 GPTFormat APFS 'RamDisk' '100%'
    
	mkdir -p /Volumes/RamDisk/Logs/
	sudo rm -rf /private/var/log
	ln -s /Volumes/RamDisk/Logs /private/var/log

	sudo rm -rf /Users/guy/Library/Logs
	ln -s /Volumes/RamDisk/Logs /Users/guy/Library/Logs

	sudo rm -rf /Library/Logs
	sudo ln -s /Volumes/RamDisk/Logs /Library/Logs

	rm -rf /Users/guy/Library/Application\ Support/Adobe/ExtensibilityLibrary/Log
	ln -s /Volumes/RamDisk/Logs /Users/guy/Library/Application\ Support/Adobe/ExtensibilityLibrary/Log
	
	rm -rf /Users/guy/Library/Application\ Support/Adobe/Extension\ Manager\ CC/Log
	ln -s /Volumes/RamDisk/Logs /Users/guy/Library/Application\ Support/Adobe/Extension\ Manager\ CC/Log

	mkdir -p /Volumes/RamDisk/Downloads
    sudo rm -rf /Users/guy/Downloads
	sudo ln -s /Volumes/RamDisk/Downloads /Users/guy
	sudo chown guy:staff /Users/guy/Downloads 
	
	declare -a arr=(
		"Adobe Camera Raw 2"
		"Adobe_CCXProcess.node"
		"askpermissiond"
		"BraveSoftware"
		"com.adobe.acc.AdobeDesktopService"
		"com.adobe.acc.ads.helper"
		"com.adobe.bridge10"
		"com.adobe.headlights.LogTransport2App"
		"com.apple.akd"
		"com.apple.AMPLibraryAgent"
		"com.apple.AppleMediaServices"
		"com.apple.appstore"
		"com.apple.appstoreagent"
		"com.apple.cache_delete"
		"com.apple.commerce"
		"com.apple.helpd"
		"com.apple.iBooksX"
		"com.apple.icloud.fmfd"
		"com.apple.iCloudHelper"
		"com.apple.imfoundation.IMRemoteURLConnectionAgent"
		"com.apple.InstallAssistant.macOS1016"
		"com.apple.installer"
		"com.apple.installer.osinstallersetupd"
		"com.apple.nbagent"
		"com.apple.nsurlsessiond"
		"com.apple.parsecd"
		"com.apple.passd"
		"com.apple.proactive.eventtracker"
		"com.apple.remindd"
		"com.apple.Spotlight"
		"com.apple.touristd"
		"com.apple.VideoConference"
		"com.apple.XprotectFramework.AnalysisService"
		"com.brave.Browser"
		"com.crashlytics.data"
		"com.dustinrue.ControlPlane"
		"com.flixtools.flixtools"
		"com.Google.GoogleDrive"
		"com.google.GoogleEarthPro"
		"com.google.Keystone"
		"com.google.SoftwareUpdate"
		"com.intel.PowerGadget"
		"com.MattRajca.RetinaCapture"
		"com.microsoft.autoupdate.fba"
		"com.microsoft.autoupdate2"
		"com.microsoft.edgemac"
		"com.microsoft.teams"
		"com.operasoftware.Installer.Opera"
		"com.operasoftware.Opera"
		"com.panic.Transmit"
		"com.plausiblelabs.crashreporter.data"
		"com.runningwithcrayons.Alfred"
		"com.spotify.client"
		"com.teamviewer.TeamViewer"
		"CSXS"
		"FamilyCircle"
		"familycircled"
		"GeoServices"
		"Google"
		"Google Earth"
		"knowledge-agent"
		"ksfetch"
		"Maps"
		"Microsoft"
		"Microsoft Edge"
		"net.freemacsoft.AppCleaner"
		"net.pornel.ImageOptim"
		"node"
		"PassKit"
		"TeamViewer"
		"Transmit"
	)
	for i in "${arr[@]}"
	do
		mkdir -p "/Volumes/RamDisk/Caches/$i"
		if [[ -L "/Users/guy/Library/Caches/$i" && -d "/Users/guy/Library/Caches/$i" ]]
		then
			echo "$i is already a symlink"
		else
			rm -rf "/Users/guy/Library/Caches/$i"
			ln -s "/Volumes/RamDisk/Caches/$i" /Users/guy/Library/Caches
			echo "$i CREATED"
		fi
	done
fi