regularmaint.sh

#!/bin/bash

# get rid of duplicate apps by reindexing
/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user

# reindex mail
#rm "$HOME/Library/Mail/v2/MailData/Envelope Index"
#rm "$HOME/Library/Mail/v2/MailData/Envelope Index-shm"
#rm "$HOME/Library/Mail/v2/MailData/Envelope Index-wal"

# Vacuum instead of removal
sqlite3 "$HOME/Library/Mail/V2/MailData/Envelope Index" vacuum

# cleanup downloaded mail attachments (you can always redownload later)

rm -r "$HOME/Library/Mail Downloads/"

# make Library visible

chflags nohidden "$HOME/Library"

# clean up my Desktop

mkdir "$HOME/Documents/Temporary Files"
mv "$HOME/Desktop"/* "$HOME/Documents/Temporary Files"

# repair permissions
# run diskutil list to get the name of your partitions

diskutil repairPermissions `df -H | grep "/dev/disk" | head -1 | cut -c 1-10`

# clear out caches
rm -r "$HOME/Library/Caches"/*
sudo rm -r /Library/Caches/*

# Safari caches
rm -R "$HOME/Library/Caches/com.apple.Safari/Webpage\ Previews"
rm "$HOME/Library/Caches/com.apple.Safari/Cache.db"

# Chrome caches
rm "$HOME/Library/Caches/Google/Chrome/Default/Cache"/*

# Sleep image
sudo rm /private/var/vm/sleepimage

# Rebuild Spotlight index
sudo mdutil -E /