My Mac OS X `.bash_profile`.

.bash_profile

export PATH=/usr/local/bin:$PATH
export PATH=/usr/local/share/python:$PATH
export PATH=/usr/local/sbin:$PATH

#export PS1="\W \$ "
PS1="\[\e[1;96m\]\u@\h:\[\e[1;93m\] \w \[\e[1;96m\]\@\n\$\[\e[0m\] "

export LANG="en_US.UTF-8"
export LC_COLLATE="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
export LC_MESSAGES="en_US.UTF-8"
export LC_MONETARY="en_US.UTF-8"
export LC_NUMERIC="en_US.UTF-8"
export LC_TIME="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"

# export PATH=$PATH:/Applications/acquia-drupal/drush

##
# Your previous /Users/noel/.bash_profile file was backed up as /Users/noel/.bash_profile.macports-saved_2012-11-12_at_07:37:50
##

# Finished adapting your PATH environment variable for use with MacPorts.
export WORKON_HOME=~/Envs
source /usr/local/share/python/virtualenvwrapper.sh
source /Users/noel/.rvm/scripts/rvm

alias switch-htdocs='ln -fs `pwd` /Applications/MAMP/'
alias brew-update-upgrade='brew update && brew upgrade `brew outdated`'
alias git-add-commit='git add . -A && git commit'
alias python-http-server='python3 -m http.server'
alias ssh-hosting='ssh [email protected]'
alias ssh-dashmug='ssh [email protected] -p 20022'
alias cd-android-sdk='cd /Applications/adt-bundle-mac-x86_64-20130729/sdk'
alias php54='/Applications/MAMP/bin/php/php5.4.4/bin/php'
alias adb-install='/Applications/adt-bundle-mac-x86_64-20130729/sdk/platform-tools/adb install -s'
alias grep='grep --color=auto'
alias wget='wget -c'
alias ..="cd .."
alias ..2="cd ../.."
alias ..3="cd ../../.."
alias ..4="cd ../../../.."
alias ..5="cd ../../../../.."

function mkdircd () { mkdir -p "$@" && eval cd "\"\$$#\""; }

HISTFILESIZE=2000