my dotfile configuration on MacOSX 10.8. Edit from https://github.com/mathiasbynens/dotfiles

.bash_profile

#############################
#     		MAIN            #
#############################

# Append to the Bash history file, rather than overwriting it
shopt -s histappend

# Autocorrect typos in path names when using `cd`
shopt -s cdspell

# Add tab completion for SSH hostnames based on ~/.ssh/config, ignoring wildcards
[ -e "$HOME/.ssh/config" ] && complete -o "default" -o "nospace" -W "$(grep "^Host" ~/.ssh/config | grep -v "[?*]" | cut -d " " -f2)" scp sftp ssh

# Add `killall` tab completion for common apps
complete -o "nospace" -W "Contacts Calendar Dock Finder Mail Safari iTunes SystemUIServer Terminal Twitter" killall

# If possible, add tab completion for many more commands
if [ -f $(brew --prefix)/etc/bash_completion ]; then
    . $(brew --prefix)/etc/bash_completion
fi

#############################
# 			 RVM            #
#############################

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*

#############################
# 			ALIAS           #
#############################

# Easier navigation: .., ..., ...., ....., ~ and -
alias ..="cd .."
alias ...="cd ../.."

# Shortcuts
alias d="cd ~/Dropbox"
alias dl="cd ~/Downloads"
alias dt="cd ~/Desktop"
alias p="cd ~/Projects"
alias g="git"
alias h="history"
alias v="vim"
alias o="open"
alias oo="open ."

# List all files colorized in long format, including dot files
alias la="ls -laG"
alias ll='ls -laG'

# List only directories
alias lsd='ls -lG | grep "^d"'

# Always use color output for `ls`
alias ls="command ls -G"
export LS_COLORS='no=00:fi=00:di=01;34:ln=01;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arj=01;31:*.taz=01;31:*.lzh=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.gz=01;31:*.bz2=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.jpg=01;35:*.jpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.avi=01;35:*.fli=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.ogg=01;35:*.mp3=01;35:*.wav=01;35:'

# Get OS X Software Updates, and update installed Ruby gems, Homebrew, npm, and their installed packages
alias update='sudo softwareupdate -i -a; brew update; brew upgrade; brew cleanup; npm update npm -g; npm update -g; sudo gem update'

# Show/hide hidden files in Finder
alias show="defaults write com.apple.finder AppleShowAllFiles -bool true && killall Finder"
alias hide="defaults write com.apple.finder AppleShowAllFiles -bool false && killall Finder"

# Hide/show all desktop icons (useful when presenting)
alias hidedesktop="defaults write com.apple.finder CreateDesktop -bool false && killall Finder"
alias showdesktop="defaults write com.apple.finder CreateDesktop -bool true && killall Finder"

# URL-encode strings
alias urlencode='python -c "import sys, urllib as ul; print ul.quote_plus(sys.argv[1]);"'

# Ring the terminal bell, and put a badge on Terminal.app’s Dock icon
# (useful when executing time-consuming commands)
alias badge="tput bel"

# Easy access to sublime text 2 application
alias subl="/Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl"

#############################
# 		   EXPORT           #
#############################

# Make vim the default editor
export EDITOR="vim"

# Larger bash history (allow 32³ entries; default is 500)
export HISTSIZE=32768
export HISTFILESIZE=$HISTSIZE
export HISTCONTROL=ignoredups

# Make some commands not show up in history
export HISTIGNORE="ls:cd:cd -:pwd:exit:date:* --help"

# Highlight section titles in manual pages
export LESS_TERMCAP_md="$ORANGE"

# Don’t clear the screen after quitting a manual page
export MANPAGER="less -X"

#############################
# 		  FUNCTION          #
#############################

# Determine size of a file or total size of a directory
function fs() {
	if du -b /dev/null > /dev/null 2>&1; then
		local arg=-sbh
	else
		local arg=-sh
	fi
	if [[ -n "$@" ]]; then
		du $arg -- "$@"
	else
		du $arg .[^.]* *
	fi
}

# Use Git’s colored diff when available
hash git &>/dev/null
if [ $? -eq 0 ]; then
	function diff() {
		git diff --no-index --color-words "$@"
	}
fi

# Start an HTTP server from a directory, optionally specifying the port
function httpserver() {
	local port="${1:-8000}"
	sleep 1 && open "http://localhost:${port}/" &
	# Set the default Content-Type to `text/plain` instead of `application/octet-stream`
	# And serve everything as UTF-8 (although not technically correct, this doesn’t break anything for binary files)
	python -c $'import SimpleHTTPServer;\nmap = SimpleHTTPServer.SimpleHTTPRequestHandler.extensions_map;\nmap[""] = "text/plain";\nfor key, value in map.items():\n\tmap[key] = value + ";charset=UTF-8";\nSimpleHTTPServer.test();' "$port"
}

# Start a PHP server from a directory, optionally specifying the port
# (Requires PHP 5.4.0+.)
function phpserver() {
	local port="${1:-4000}"
	local ip=$(ipconfig getifaddr en1)
	sleep 1 && open "http://${ip}:${port}/" &
	php -S "${ip}:${port}"
}

# Syntax-highlight JSON strings or files
# Usage: `json '{"foo":42}'` or `echo '{"foo":42}' | json`
function json() {
	if [ -t 0 ]; then # argument
		python -mjson.tool <<< "$*" | pygmentize -l javascript
	else # pipe
		python -mjson.tool | pygmentize -l javascript
	fi
}

# Add note to Notes.app (OS X 10.8)
# Usage: `note 'foo'` or `echo 'foo' | note`
function note() {
	local text
	if [ -t 0 ]; then # argument
		text="$1"
	else # pipe
		text=$(cat)
	fi
	body=$(echo "$text" | sed -E 's|$|<br>|g')
	osascript >/dev/null <<EOF
tell application "Notes"
	tell account "iCloud"
		tell folder "Notes"
			make new note with properties {name:"$text", body:"$body"}
		end tell
	end tell
end tell
EOF
}

# Add reminder to Reminders.app (OS X 10.8)
# Usage: `remind 'foo'` or `echo 'foo' | remind`
function remind() {
	local text
	if [ -t 0 ]; then
		text="$1" # argument
	else
		text=$(cat) # pipe
	fi
	osascript >/dev/null <<EOF
tell application "Reminders"
	tell the default list
		make new reminder with properties {name:"$text"}
	end tell
end tell
EOF
}

.inputrc

# Make Tab autocomplete regardless of filename case
set completion-ignore-case on

# List all matches in case multiple possible completions are possible
set show-all-if-ambiguous on

# Immediately add a trailing slash when autocompleting symlinks to directories
set mark-symlinked-directories on

# Use the text that has already been typed as the prefix for searching through
# commands (i.e. more intelligent Up/Down behavior)
"\e[B": history-search-forward
"\e[A": history-search-backward

# Do not autocomplete hidden files unless the pattern explicitly begins with a dot
set match-hidden-files off

# Show extra file information when completing, like `ls -F` does
set visible-stats on

.vimrc

" Make Vim more useful
set nocompatible
" Use the OS clipboard by default (on versions compiled with `+clipboard`)
set clipboard=unnamed
" Enhance command-line completion
set wildmenu
" Allow cursor keys in insert mode
set esckeys
" Allow backspace in insert mode
set backspace=indent,eol,start
" Optimize for fast terminal connections
set ttyfast
" Add the g flag to search/replace by default
set gdefault
" Use UTF-8 without BOM
set encoding=utf-8 nobomb
" Change mapleader
let mapleader=","
" Don’t add empty newlines at the end of files
set binary
set noeol
" Centralize backups, swapfiles and undo history
set backupdir=~/.vim/backups
set directory=~/.vim/swaps
if exists("&undodir")
    set undodir=~/.vim/undo
endif

" Respect modeline in files
set modeline
set modelines=4
" Enable per-directory .vimrc files and disable unsafe commands in them
set exrc
set secure
" Enable line numbers
set number
" Enable syntax highlighting
syntax on
" Make tabs as wide as two spaces
set tabstop=2
" Highlight searches
set hlsearch
" Ignore case of searches
set ignorecase
" Highlight dynamically as pattern is typed
set incsearch
" Always show status line
set laststatus=2
" Enable mouse in all modes
set mouse=a
" Disable error bells
set noerrorbells
" Don’t reset cursor to start of line when moving around.
set nostartofline
" Show the cursor position
set ruler
" Show the current mode
set showmode
" Show the filename in the window titlebar
set title
" Show the (partial) command as it’s being typed
set showcmd
" Start scrolling three lines before the horizontal window border
set scrolloff=3

" Strip trailing whitespace (,ss)
function! StripWhitespace()
	let save_cursor = getpos(".")
	let old_query = getreg('/')
	:%s/\s\+$//e
	call setpos('.', save_cursor)
	call setreg('/', old_query)
endfunction
noremap <leader>ss :call StripWhitespace()<CR>

" Automatic commands
if has("autocmd")
	" Enable file type detection
	filetype on
	" Treat .json files as .js
	autocmd BufNewFile,BufRead *.json setfiletype json syntax=javascript
endif

.wgetrc

# Use the server-provided last modification date, if available
timestamping = on

# Retry a few times when a download fails, but don’t overdo it. (The default is 20!)
tries = 3

# Retry even when the connection was refused
retry_connrefused = on

# Follow FTP links from HTML documents by default
follow_ftp = on

# Add a `.html` extension to `text/html` or `application/xhtml+xml` files that lack one, or a `.css` extension to `text/css` files that lack one
adjust_extension = on

# Ignore `robots.txt` and `<meta name=robots content=nofollow>`
robots = off

# Print the HTTP and FTP server responses
server_response = on

# Disguise as IE 9 on Windows 7
user_agent = Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)