macOS bashrc

.bashrc

# Here's my macOS bashrc
# /!\ it may override some existing commands like 'w'
#
# To use it :
#
#     Put the following line inside ~/.bash_profile :
#         [[ -s ~/.bashrc ]] && source ~/.bashrc
#
#     Then create ~/.bashrc and put the content of this file in it.

#do git status
alias s='git status'

#do git branch
alias b='git branch'

#custom cd display content of the folder
function cd {
	builtin cd "$@" 

	#display current path in red
	echo -e "\033[0;31m"
	pwd
	echo -e "\033[0m" 
	
	ls -Ga

	printf "\n"

	#if there's a git
	if [ -e ".git" ]
	then
		#display git title in blue
		printf "\n\033[0;34m-- git --\033[0m\n"	
		b
		printf "\n"
		git status --short
		printf "\n"
	fi
}

#tells which app use given port
function wp {
	if [[ "$#" -eq  "1" ]]; then
	    sudo lsof -i :$1
	fi
}

#uglify given string
function u {
	if [[ "$#" -eq  "1" ]]; then
		res=""
	    input=$1
		for (( i=0; i<${#input}; i++ )); do
			tmp=${input:$i:1}
			if [ $((i%2)) -eq 0 ];
			then
				res+=$(echo "$tmp" | tr '[:upper:]' '[:lower:]')
			else
				res+=$(echo "$tmp" | tr '[:lower:]' '[:upper:]')
			fi
		done
		echo $res
	fi
}

#Descripe proved parameter (mean't to pretty print folder content)
function desc() {
    if [[ "$#" -eq  "0" ]]; then
        tmp="$(pwd)"
        desc $tmp 0
    elif [[ "$#" -eq  "1" ]]; then
	    desc $1 0
	else
        local indent=$2;    
        spaces=""
        if [[ "$indent" -ne  "0" ]]; then
            for ((i=0;i<=indent;i++))
            do 
                spaces="${spaces} "
            done
        fi
        if [[ -d "$1" ]]; then
            echo $spaces"↳ 📂 "$(basename $1)
            indent=$((indent+1))

            #set IFS to process folder with space in their name
            SAVEIFS=$IFS
            IFS=$(echo -en "\n\b")

            for f in $1/*
            do
                desc $f $((indent+1))
            done 

            # restore $IFS
            IFS=$SAVEIFS
        elif [[ -f "$1" ]]; then
            echo $spaces"↳ 📄 "$(basename $1)
        fi
	fi
}

#alias for ls -la
alias ll='ls -la'

#launch cd . tell where you are
alias w='cd .'

#launch cd .. go to parent folder
alias p='cd ..'

#alias for clean
alias c='clear'

#clear screen and display what's inside
alias cw='c && w'

#clear screen and back to home
alias ch='c && h'

#back to home
alias h='cd'

#alias to pretty printed date
function d {
	date +"%T - %A - %D"
}

#go to download folder
alias cdd='cd ~/Downloads'

#go to workspace
alias cdw='cd ~/Documents/workspace'

#go to /
alias cdr='cd /'

#go to /Applications OSX only
alias cda='cd /Applications'

#give the size of an element usage : sizeof <element name>
function sizeof() {
	if [[ ! -z "$1" ]]; then
		du -hcs "$1"
	fi
}

#OSX only open current folder in finder
function o() {
	if [ "$#" -eq  "0" ]
   	then
	    open .
	else
	    open "$@"
	fi
}

#give information about network interface
alias ni='ifconfig'

#launch a web server python on port specified else 8000
function serve() {
	if [ "$#" -eq  "0" ]
   	then
	    python -m SimpleHTTPServer 8000
	else
	    python -m SimpleHTTPServer "$@"
	fi	
}


#give stat about the system
function stat() {
	ps -A -o %cpu | awk '{s+=$1} END {print "CPU Usage : " s "%"}'
	printf "\n"
	top -l 1 -s 0 | awk '/Processes/'
	printf "\n"
	top -l 1 -s 0 | awk '/PhysMem/'
	printf "\n"
	df -h /
	printf "\n"
}

#do a chmod 777 above the given file
function all() {
	if [[ ! -z "$1" ]]; then
		chmod 777 "$1"
	fi
}

#give information about hardware
function hinfo() {
	/usr/sbin/system_profiler SPHardwareDataType
}

#create a file of the given name
alias mkf='touch'

#create a folder of the given name
alias mkd='mkdir'

#delete file or folder of the given name, alias for rm -rf
alias del='sudo rm -rf'

###open a website
function www() {
	if [[ ! -z "$1" ]]; then
		if [[ "$1" != http://* ]]; then
	       open "http://$1"
	    else
	       open "$1"
	    fi
	fi
}

#run a file, makes it runnable it not runnable
function run(){
	if [[ ! -z "$1" ]]; then
		if [[ -x "$1" ]]
		then
		    ./"$1"
		else
		    chmod +x "$1"
		    ./"$1"
		fi
	fi
}

#untar file
alias untar='tar -zxvf '

#get sha
alias sha='shasum -a 256 '

#get your external ip
alias ipe='curl ipinfo.io/ip'

#get your internal ip
alias ip='ipconfig getifaddr en0'

#list all commands introduced by bashrc
function ?() {
	printf "\n"
	printf "\x1b[1m--- .bashrc shortcuts ---\e[0m \n"
	printf "\n"
	printf "\x1b[1m%7s\e[0m : do the following commands : 'cd @;pwd;ls -Ga;git branch (with coloration)'\n" cd
	printf "\n"
	printf "\x1b[1m%7s\e[0m : back to home ~\n" h
	printf "\x1b[1m%7s\e[0m : go to /\n" cdr
	printf "\x1b[1m%7s\e[0m : go to /Applications\n" cda
	printf "\x1b[1m%7s\e[0m : go to parent directory\n" p
	printf "\x1b[1m%7s\e[0m : go to ~/Downloads\n" cdd
	printf "\x1b[1m%7s\e[0m : go to ~/Documents/workspace\n" cdw
	printf "\x1b[1m%7s\e[0m : do 'cd .' (with .bashrc cd)\n" w
	printf "\n"
	printf "\x1b[1m%7s\e[0m : alias for 'clear'\n" c 
	printf "\x1b[1m%7s\e[0m : clear screen and back to home\n" ch
	printf "\x1b[1m%7s\e[0m : clear screen and display what's inside folder\n" cw
	printf "\n"
	printf "\x1b[1m%7s\e[0m : alias for 'open', open current folder in finder without args\n" o
	printf "\x1b[1m%7s\e[0m : print date\n" d
	printf "\x1b[1m%7s\e[0m : open a website in default browser, usage : 'www URL'\n" www
	printf "\n"
	printf "\x1b[1m%7s\e[0m : Uglify given strings, usage : 'u \"hello\"' will produce \"hElLo\"\n" u
	printf "\n"
	printf "\x1b[1m%7s\e[0m : alias for 'ls -la'\n" ll
	printf "\n"
	printf "\x1b[1m%7s\e[0m : alias for 'git status'\n" s
	printf "\x1b[1m%7s\e[0m : alias for 'git branch'\n" b
	printf "\n"
	printf "\x1b[1m%7s\e[0m : create a file of the given name, usage : 'mkf FILENAME'\n" mkf
	printf "\x1b[1m%7s\e[0m : create a folder of the given name, usage : 'mkd FOLDERNAME'\n" mkd
	printf "\x1b[1m%7s\e[0m : do a 'chmod 777' above given element, usage : 'all FILENAME'\n" all
	printf "\x1b[1m%7s\e[0m : run the given element, do 'chmod+x' if not runnable, usage : 'run FILENAME'\n" run
	printf "\x1b[1m%7s\e[0m : give the size of an element, usage : 'sizeof ELEMENT_NAME'\n" sizeof
        printf "\x1b[1m%7s\e[0m : describe folder content, usage : 'desc FOLDERNAME'\n" desc
	printf "\x1b[1m%7s\e[0m : alias for 'rm -rf', usage del FILENAME_OR_FOLDERNAME\n" del
	printf "\x1b[1m%7s\e[0m : untar a file\n" untar
	printf "\x1b[1m%7s\e[0m : get sha of a file\n" sha
	printf "\n"
	printf "\x1b[1m%7s\e[0m : alias for 'python -m SimpleHTTPServer', launch on port 8000 without args\n" serve
	printf "\n"
	printf "\x1b[1m%7s\e[0m : give information about the system'\n" stat
	printf "\x1b[1m%7s\e[0m : give information about the hardware'\n" hinfo
	printf "\x1b[1m%7s\e[0m : give information about the network interface'\n" ni
	printf "\x1b[1m%7s\e[0m : tells which app use given port, usage : 'wp 3000'\n" wp
	printf "\x1b[1m%7s\e[0m : get your external ip address'\n" ipe
	printf "\x1b[1m%7s\e[0m : get your internal ip address'\n" ip
	printf "\n"
	printf "\x1b[1m%7s\e[0m : print this help menu\n" ?
	printf "\n" 
}

#display current folder content, once console/tab is open
printf "type ? to list custom .bashrc commands"
w