A zshrc with some common settings.

osx_zshrc.sh

#!/usr/bin/env bash
# Default zsh runcom.
# Oct 2012 y.s.


################################### OH-MY-ZSH Settings ##########################################

# If your current shell is not zsh, try to change your default shell to zsh.
if [[ $0 != '-zsh' ]]; then
  echo "Your default shell is not zsh."
	if [[ -s "/opt/local/bin/zsh" ]]; then
		sudo chsh -s /opt/local/bin/zsh $USER
	else
		sudo chsh -s /bin/zsh $USER
	fi
fi

# Path to your oh-my-zsh configuration.
ZSH=$HOME/.oh-my-zsh

# Set name of the theme to load.
# Look in ~/.oh-my-zsh/themes/
# Optionally, if you set this to "random", it'll load a random theme each
# time that oh-my-zsh is loaded.
ZSH_THEME="ys"

# Example aliases
# alias zshconfig="mate ~/.zshrc"
# alias ohmyzsh="mate ~/.oh-my-zsh"

# Set to this to use case-sensitive completion
# CASE_SENSITIVE="true"

# Comment this out to disable weekly auto-update checks
# DISABLE_AUTO_UPDATE="true"

# Uncomment following line if you want to disable colors in ls
# DISABLE_LS_COLORS="true"

# Uncomment following line if you want to disable autosetting terminal title.
# DISABLE_AUTO_TITLE="true"

# Uncomment following line if you want red dots to be displayed while waiting for completion
# COMPLETION_WAITING_DOTS="true"

# Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)
# Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
# Example format: plugins=(rails git textmate ruby lighthouse)
plugins=(git sublime zsh-syntax-highlighting)

if [[ -s $ZSH/oh-my-zsh.sh ]]; then
	source $ZSH/oh-my-zsh.sh
else
	autoload -U colors && colors
	echo "$bold_color$fg[red]Please visit 'https://github.com/robbyrussell/oh-my-zsh' and install oh-my-zsh."
fi


########################################## Functions ##########################################

# Add new path to environment path
ys-add-evn-path()
{
	PATH="$1:${PATH}"
	export PATH
}

# Toggle the visibility of hidden files.
ys-show-hide()
{
	# check if hidden files are visible and store result in a variable
	isVisible=$(defaults read com.apple.finder AppleShowAllFiles)

	# toggle visibility based on variables value
	if [[ $isVisible = FALSE ]]
	then
		defaults write com.apple.finder AppleShowAllFiles TRUE
	else
		defaults write com.apple.finder AppleShowAllFiles FALSE
	fi

	killall Finder
}

# Copy the ssh public key.
ys-key()
{
	cat ~/.ssh/id_rsa.pub | pbcopy
	echo 'ssh public key copied.'
}

# Copy present working dir.
ys-pwd()
{
	pwd
	echo -n $PWD | pbcopy
}

# Return the specified ip address's geo info.
ys-ip()
{
	python -c "
import json, urllib2, urlparse
s = '$1'
if s.find('://') < 0:
  s = 'http://' + s
host = urlparse.urlparse(s).netloc
f = urllib2.urlopen('https://dazzlepod.com/ip/%s.json' % host)
s = f.read()
info = json.loads(s)
max_l = 0
for k in info:
  l = len(str(k))
  if max_l < l:
  	max_l = l
format = '%%%ds: %%s' % max_l
for k, v in info.iteritems():
  print(format % (k, v))
"
}


########################################## Alias ##########################################

# Common bash commands.
alias le='/usr/share/vim/vim73/macros/less.sh'
alias ll='ls -laFhO'
alias cls='clear'
alias ps='ps -ef'

# Disk usage
alias du='du -khs'

# Change directory to Desktop.
alias ys-d='cd ~/Desktop'

# Open with Sublime Text 2.
alias ys-b='st ~/.bash_profile'

# Achive and Compress TAR
#tar -jcvf data.tar.bz2 directory_to_compress
alias ys-tz='tar -jcvf'
# tar -jxvf data.tar.bz2 -C /tmp/extract_here/
alias ys-tuz='tar -jxvf'
# tar -zxvf data.tar.gz -C /tmp/extract_here/
alias ys-tug='tar -zxvf'

# Show all available commands.
alias ys-cmds='echo $PATH | tr ':' '\n' | xargs -n 1 ls -1'

# List all listened ports
alias ys-listened='sudo lsof -i -P | grep -i "listen"'

# Generate a random password
alias ys-password='openssl rand -base64 32'

# Clean DS_Store files
alias ys-clean-ds="find . -name '.DS_Store' -exec rm {} \;"

# OSX Configuration

	# Fix the duplicate or old items on "Open with..." list in osx
	alias ys-fix-open-with='/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local-domain system -domain user && killall Finder'

	# Skip DMG veryfication.
	alias ys-disable-dmg-check="defaults write com.apple.frameworks.diskimages skip-verify TRUE"

	# Disable the Dashboard.
	alias ys-disable-dashboard="defaults write com.apple.dashboard mcx-disabled -boolean YES; killall Dock"

	# Reset finder settings.
	alias ys-reset-finder="Remove Finder preferences: rm ~/Library/Preferences/com.apple.finder.plist; killall Finder"

	# Change the sound of QQ receiving message.
	alias ys-qq-sound="sudo cp -f '/Applications/Messages.app/Contents/Resources/Received Message.aiff' /Applications/QQ.app/Contents/Resources/msg.aif"


########################################## Personal Profile ##########################################

# Include personal bash profile.
[[ -s "$HOME/.bash_profile" ]] && source ~/.bash_profile