Useful Bash profile aliases and functions

mac_dotbash_profile

#!/usr/local/env bash
if [ -f ~/.bashrc ]; then . ~/.bashrc; fi

###############################################################################
### use local directories for homebrew and python
export PATH="/usr/local/bin:/usr/local/sbin:~/bin:$PATH"


###############################################################################
### virtualenv setup and shortcuts
export PIP_REQUIRE_VIRTUALENV=true
export WORKON_HOME="~/envs"
source /usr/local/bin/virtualenvwrapper.sh
#export VIRTUALENVWRAPPER_PYTHON="/usr/local/bin/python2.7"
alias mkvenv="mkvirtualenv"
alias lsvenv="lsvirtualenv"
alias rmvenv="rmvirtualenv"


###############################################################################
### editing shortcuts
alias sublime="sudo subl"
export TEXT_EDITOR="sublime"
export EDITOR="subl"

alias profileedit="$TEXT_EDITOR ~/.bash_profile"
alias profileload="source ~/.bash_profile"
alias reprofile="profileedit && profileload"

alias sshconf="$TEXT_EDITOR ~/.ssh/config"
alias sshhosts="$TEXT_EDITOR ~/.ssh/known_hosts"
alias sshauthed="$TEXT_EDITOR ~/.ssh/authorized_keys"

alias hosts="sudo sublime /private/etc/hosts"


###############################################################################
### general shortcuts
alias resetdns="dscacheutil -flushcache && sudo killall -HUP mDNSResponder"
alias ipecho="wget -qO- http://ipecho.net/plain ; echo"
alias showall="defaults write com.apple.finder AppleShowAllFiles YES; kfinder"
alias showhide="defaults write com.apple.finder AppleShowAllFiles NO; kfinder"
alias kfinder="sudo killall Finder /System/Library/CoreServices/Finder.app"
alias repos="cd ~/git"
alias cask="brew cask"


###############################################################################
### UTILITY -- requires `brew install coreutils` for linux-style ls on mac
export LS_COMMAND="gls"
alias ls="$LS_COMMAND"
alias lsa="ls -Ahl --color --group-directories-first"
alias lsaa="ls -ahl --color --group-directories-first"
alias nfind="sudo find / -name"
alias psfind="ps aux | grep"
alias pubpem="openssl rsa -pubout -outform pem -in"  # $> pubpem keyfile.pem
function pubssh()
{
    # http://stackoverflow.com/questions/192249/how-do-i-parse-command-line-arguments-in-bash
    local HELPTEXT="usage of pubssh:"
    HELPTEXT="$HELPTEXT\n    pubssh keyfile [outputfile [comment]]"
    pushd ~/.ssh > /dev/null

    if [ ! -z "$1" ]; then
        if [ "--help" = "$1" ]; then
            echo -e "$HELPTEXT";
        else
            local PUBKEY=$(ssh-keygen -y -f $1);
            if [ ! -z "$2" ]; then
                printf "%s" "$PUBKEY" > $2;
                if [ ! -z "$3" ]; then
                    printf " %s\n" "$3" >> $2;
                    PUBKEY="$PUBKEY $3"
                fi
                echo "### showing contents of ~/.ssh/$2 ###"
                sudo cat $2
                echo ""
            else
                echo $PUBKEY
                echo -e "\nnothing written to file."
            fi
        fi
    else
        echo -e "$HELPTEXT";
    fi

    popd > /dev/null
}
function lsgrep() { ls $2 | grep $1; }
function cdls() { cd "$@" && ls; }
function gpip()
{
   PIP_REQUIRE_VIRTUALENV="" pip "$@"
}