OSX Bash Profile

###
## Working bash_profile file.
###

# MacPorts
export PATH=/opt/local/libexec/gnubin:/opt/local/bin:/opt/local/sbin:~/bin:$PATH
export MANPATH=/opt/local/share/man:$MANPATH

export PS1="[\u@\h \W]$ "
test $WINDOW && PS1="[\u@\h$$WINDOW \W]\$ "

# Turn on color support for ls, but only if it is an interactive terminal.
# Requires MacPorts (sudo port install coreutils)
if [ "$TERM" != "dumb" ]; then
    export LS_OPTIONS='--color=auto'
    eval `dircolors ~/.dir_colors`
fi

# Turn on bash commandline completion.  You can complete hostnames (from the
# /etc/hosts and ~/.ssh/known_hosts files), command options for some commands,
# file lists on remote servers when using "scp <hostname>:<tab tab>", etc.
# Requires MacPorts (sudo port install bash-completion)
if [ -f /opt/local/etc/bash_completion ]; then
    . /opt/local/etc/bash_completion
fi

# $LS_OPTIONS likely enables color support.  Also turn on human readable
# file sizes in the output (Kb, Mb, Gb, etc).  Also adds a trailing character
# to filenames to indicate it is a directory (/) or a symbolic link (@).
alias ls='ls $LS_OPTIONS -hF'

# If SSH host keys are changing often (because of server rebuilds), turning
# off StrictHostKeyChecking allows you to get in despite warnings that the
# host key has changed without having to answer "yes/no" to the question.
# However, you should still run "ssh-keygen -R <hostname>" to remove the
# offending key from the ~/.ssh/known_hosts file.
alias ssh='ssh -o StrictHostKeyChecking=no'

# Use functions where aliases aren't powerful enough
function shadow_lastmod () {
    if [ $# -eq 0 ]; then
	expr `date +%s` / 86400
    else
	perl -e "use Time::localtime; print ctime($1 * 86400)"
	echo; echo `expr \`date +%s\` / 86400 - $1` days ago.
    fi
}

# Converts one or more epoch time integers into a full dated time stream.
# You can generate an epoch time integer using Gnu Date with "date +%s".
# Example: $ ctime 1342317824
#  Output: 1342317824 = Sat Jul 14 22:03:44 2012
function ctime () {
    while [ $# -gt 0 ]; do
        perl -e '$x = localtime('$1'); print "'$1' = $x\n"'
	shift
    done
}

# Allows Wireshark to be called from the command line.  Also has the added
# benefit to allow more than one copy of Wireshark to run at the same time.
# http://www.wireshark.org/ (or use the MacPorts version)
function wireshark () {
    /Applications/Wireshark.app/Contents/Resources/bin/wireshark 2>/dev/null &
}

# Allows DiffMerge to be called from the command line.
# http://www.sourcegear.com/diffmerge/
function diffmerge () {
    /Applications/DiffMerge.app/Contents/MacOS/DiffMerge $* 2>/dev/null &
}

# Dumps the entire contents of Redis to the screen.
# Requires MacPorts (sudo port install redis).
function redis () {
    for i in `redis-cli keys '*'`; do
        echo -n $i=
        redis-cli get $i
    done
}