A portion of my alias entries and some other useful snippets for Bash

.bash_aliases

#!/bin/sh

# GENERAL COMMANDS
alias l='ls -AHhlp'
alias c='clear'
alias cx='chmod +x'
alias tree="find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'"
alias reload='source ~/.bash_profile'
alias release='xattr -d com.apple.quarantine'
alias flushdns='sudo discoveryutil udnsflushcaches'
alias mail_log="tail -f /private/var/log/mail.log"
alias hist="history | grep -i"
alias me="git pretty | grep \"Chris Bloom\" | more"
alias beep="say -v Zarvox \"My liege, the task is complete\""

# alias reclaim="sudo chflags -R nouchg * && sudo chown -R chrisbloom7:staff *"
function reclaim {
  echo changing flags on "$@"
  sudo chflags -Rvv nouchg "$@"
  
  echo changing ownership on "$@"
  sudo chown -Rv chrisbloom7:staff "$@"
}

# RUBY / RUBY ON RAILS COMMANDS
alias rails_mv="rails -v | sed 's/Rails \([0-9]\).*/\1/g'"
alias bexec='bundle exec'
# Alias the rake command to Spring binstubs or fallback to "bundle exec"
# http://goo.gl/HkhHAf, http://goo.gl/STtIvF
function brake {
  if [ -f bin/rake ]
  then
    bin/rake "$@"
  else
    if [ `rails_mv` -lt 3 ]; then 
      rake "$@"
    else
      bexec rake "$@"
    fi
  fi 
}
function brails {
  if [ -f bin/rake ]
  then
    bin/rails "$@"
  else
    bexec rails "$@"
  fi 
}
function cons {
  if [ `rails_mv` -lt 3 ]; then
    ./script/console "$@"
  else
    brails c "$@"
  fi
}
function dbcons {
  if [ `rails_mv` -lt 3 ]; then
    echo "Not supported in this version of Rails (`rails -v`)"
  else
    brails db "$@"
  fi
}
function gen {
  if [ `rails_mv` -lt 3 ]; then
    ./script/generate "$@"
  else
    brails g "$@"
  fi
}
function srv {
  if [ `rails_mv` -lt 3 ]; then
    ./script/server "$@"
  else
    brails s "$@"
  fi
}
function run {
  if [ `rails_mv` -lt 3 ]; then
    ./script/runner "$@"
  else
    brails r "$@"
  fi
}
alias sandbox='cons --sandbox'
alias epoch="ruby -e 'puts Time.now.to_i'"
alias timestamp='epoch'

# RVM COMMANDS
# alias rvmrc='rvm rvmrc create `rvm current` --ruby-version'
function rvmrc {
  read -r -p "Create ruby-version files for `rvm current`? [y/N] " response
  case $response in
    [yY][eE][sS]|[yY]) 
      rvm rvmrc create `rvm current` --ruby-version
      echo "Created .ruby-version:"
      echo "-----"
      cat .ruby-version
      echo ""
      echo "Created .ruby-gemset:"
      echo "-----"
      cat .ruby-gemset
      ;;
    *)
      echo "Canceled"
      ;;
  esac
}

# TEXTMATE SHORTUTS
# alias mate_apache_conf='mate /etc/apache2'
# alias mate_vhosts='mate /etc/apache2/extra/httpd-vhosts.conf'
# alias mate_passenger_vhosts='mate /etc/apache2/passenger_pane_vhosts'
alias mate_bash_profile='mate ~/.bash_profile'
alias mate_bash_login='mate ~/.bash_login'
alias mate_bashrc='mate ~/.bashrc'
alias mate_hosts='mate /etc/hosts'
alias mate_aliases='mate ~/.bash_aliases'

# HOMEBREW POSTGRES COMMANDS
# # We're using the postgresql-common package from 
# # https://github.com/petere/homebrew-postgresql
# # See config data for all clusters with `pg_lsclusters`
# alias pg84_start='pg_ctlcluster 8.4 development start'
# alias pg84_stop='pg_ctlcluster 8.4 development stop'
alias pg92_start='/usr/local/opt/postgresql92/bin/pg_ctl start -w -t 10 -D /usr/local/var/postgres-9.2 -l ~/Library/Logs/postgres.log'
alias pg92_stop='/usr/local/opt/postgresql92/bin/pg_ctl -D /usr/local/var/postgres-9.2 stop -s -m fast'

alias pg_start='pg_ctl start -w -t 10 -D /usr/local/var/postgres -l ~/Library/Logs/postgres.log'
alias pg_stop='pg_ctl -D /usr/local/var/postgres stop -s -m fast'

# HOMEBREW MYSQL COMMANDS
# alias 'mysql51.server'='/usr/local/Cellar/mysql51/5.1.73/bin/mysql.server'
# alias mysql51='/usr/local/Cellar/mysql51/5.1.73/bin/mysql'
# alias mysqladmin51='/usr/local/Cellar/mysql51/5.1.73/bin/mysqladmin'
# alias mysqldump51='/usr/local/Cellar/mysql51/5.1.73/bin/mysqldump'

# NATIVE APACHE COMMANDS
alias apache_start='sudo /usr/sbin/apachectl start'
alias apache_stop='sudo /usr/sbin/apachectl stop'
alias apache_restart='sudo /usr/sbin/apachectl restart'
alias tail_apache_error_log='tail /var/log/apache2/error_log'
alias tail_apache_access_log='tail /var/log/apache2/access_log'

# REDIRECT PORT 25 TO 1025 FOR MOCKSMTP
alias forward_port_25='sudo ipfw add 1025 forward 127.0.0.1,1025 ip from any to any 25 in'
alias reset_port_25='sudo ipfw delete 1025'

# SUBVERSION COMMANDS
alias svn_list_unversioned="svn status --no-ignore | grep '^\?' | sed 's/^\?      //'"
alias svn_delete_unversioned="svn status --no-ignore | grep '^\?' | sed 's/^\?      //' | xargs rm -rf"

# GIT COMMANDS
function git-make-branch {
  echo "\$@ = '$@'"
  typeset branch
  if [[ "$@" != "" ]]; then
    branch=$(ruby -e 'puts ARGV.join(" ").strip.gsub(/[\W\s_]+/, " ").downcase.split(" ").join("-")' "$@")
    # echo "branch = '$branch'"
    if [[ "$branch" = "" ]]; then
      echo "-- Could not create branch from supplied arguments"
    else
      git co -b "$branch"
      echo "-- Created branch $branch"
    fi
  else
    echo "-- Could not create branch from supplied arguments"
  fi
}
alias git-mb='git-make-branch'

# From http://stackoverflow.com/a/2831173/83743
function parse_git_branch {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'
}

function git-branch-incoming { 
    echo branch \($1\) has these commits and \($(parse_git_branch)\) does not 
    git log ..$1 --no-merges --format='%h | Author:%an | Date:%ad | %s' --date=local
}
alias git-bin='git-branch-incoming'

function git-branch-outgoing { 
    echo branch \($(parse_git_branch)\) has these commits and \($1\) does not 
    git log $1.. --no-merges --format='%h | Author:%an | Date:%ad | %s' --date=local
}
alias git-bout='git-branch-outgoing'

# PROJECT COMMANDS
function proj {
  cd "$HOME/Projects/$@"
}

.bash_login

if [ -f /opt/local/etc/bash_completion ]; then
    . /opt/local/etc/bash_completion
fi

if [ -f ~/bin/svn-color/svn-color.sh ]; then
    . ~/bin/svn-color/svn-color.sh
fi

if [ -f ~/.bash_aliases ]; then
 . ~/.bash_aliases
fi

if [ -f `brew --prefix`/etc/bash_completion ]; then
    . `brew --prefix`/etc/bash_completion
fi

if [ -f ~/.git-completion.bash ]; then
    . ~/.git-completion.bash
fi

.bash_profile

source $HOME/.bash_login
source $HOME/.bashrc

function parse_git_branch {
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  echo "("${ref#refs/heads/}")"
}

RED="\[\033[0;31m\]"
YELLOW="\[\033[0;33m\]"
GREEN="\[\033[0;32m\]"

export PS1="\[$(tput bold)\]\[$(tput setaf 6)\]\n\u@\h \w\[$(tput setaf 4)\] \$(parse_git_branch)\n\[$(tput setaf 7)\]$ \[$(tput sgr0)\]"

umask 0002 # grant write permission to group

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

.bashrc

export PATH=/usr/local/sbin:/usr/local/bin:/Users/chrisbloom7/bin:$PATH
export ARCHFLAGS="-arch x86_64"
export EDITOR='mate -w'
export GIT_EDITOR='mate -wl1'
export NODE_PATH=/usr/local/lib/node_modules:$NODE_PATH
export ANDROID_HOME=/usr/local/opt/android-sdk

# virtualenv should use Distribute instead of legacy setuptools
export VIRTUALENV_DISTRIBUTE=true

# Centralized location for new virtual environments
export PIP_VIRTUALENV_BASE=$HOME/.virtualenvs

# pip should only run if there is a virtualenv currently activated
export PIP_REQUIRE_VIRTUALENV=true

# disable this requirement manually so we can update packages, etc.
syspip(){
  PIP_REQUIRE_VIRTUALENV="" pip "$@"
}

# cache pip-installed packages to avoid re-downloading
export PIP_DOWNLOAD_CACHE=$HOME/.pip/cache

complete -C "$HOME/Scripts/rake_autocomplete_for_bash.rb" -o default rake

PROMPT_COMMAND='echo -ne "\033]0; ${PWD##*/}\007"'

alias diff=colordiff

export PATH="$PATH:$HOME/.rvm/bin" # Add RVM to PATH for scripting

svn-color.sh

#!/bin/bash

function svn
{
	# rebuild args to get quotes right
	CMD=
	for i in "$@"
	do
		if [[ "$i" =~ \  ]]
		then
			CMD="$CMD \"$i\""
		else
			CMD="$CMD $i"
		fi
	done

	# pad with spaces to strip --nocol
	CMD=" $CMD "
	CMDLEN=${#CMD}

	# parse disabling arg
	CMD="${CMD/ --nocol / }"

	# check if disabled
	test "$CMDLEN" = "${#CMD}"
	if [ $? = 1 ] || [ ! -t 1 ]
	then
		eval $(which svn) $CMD
		return
	fi

	# supported svn actions for "status-like" output
	ACTIONS="add|checkout|co|cp|del|export|remove|rm|st"
	ACTIONS="$ACTIONS|merge|mkdir|move|mv|ren|sw|up"

	# actions that outputs "status-like" data
	if [[ "$1" =~ ^($ACTIONS) ]]
	then
		eval $(which svn) $CMD | while IFS= read -r RL
		do
			if   [[ $RL =~ ^\ ?M ]]; then C="\033[34m";
			elif [[ $RL =~ ^\ ?C ]]; then C="\033[41m\033[37m\033[1m";
			elif [[ $RL =~ ^A ]]; then C="\033[32m\033[1m";
			elif [[ $RL =~ ^D ]]; then C="\033[31m\033[1m";
			elif [[ $RL =~ ^X ]]; then C="\033[37m";
			elif [[ $RL =~ ^! ]]; then C="\033[43m\033[37m\033[1m";
			elif [[ $RL =~ ^I ]]; then C="\033[33m";
			elif [[ $RL =~ ^R ]]; then C="\033[35m";
			else C=
			fi

			echo -e "$C${RL/\\/\\\\}\033[0m\033[0;0m"
		done

	# actions that outputs "diff-like" data
	elif [[ "$1" =~ ^diff ]]
	then
		eval $(which svn) $CMD | while IFS= read -r RL
		do
			if   [[ $RL =~ ^Index:\  ]]; then C="\033[34m\033[1m";
			elif [[ $RL =~ ^@@ ]]; then C="\033[37m";

			# removed
			elif [[ $RL =~ ^-\<\<\< ]]; then C="\033[31m\033[1m";
			elif [[ $RL =~ ^-\>\>\> ]]; then C="\033[31m\033[1m";
			elif [[ $RL =~ ^-=== ]]; then C="\033[31m\033[1m";
			elif [[ $RL =~ ^- ]]; then C="\033[31m";

			# added
			elif [[ $RL =~ ^\+\<\<\< ]]; then C="\033[32m\033[1m";
			elif [[ $RL =~ ^\+\>\>\> ]]; then C="\033[32m\033[1m";
			elif [[ $RL =~ ^\+=== ]]; then C="\033[32m\033[1m";
			elif [[ $RL =~ ^\+ ]]; then C="\033[32m";

			else C=
			fi

			echo -e "$C${RL/\\/\\\\}\033[0m\033[0;0m"
		done
	else
		eval $(which svn) $CMD
	fi
}