My Bash aliases

My-bash-aliases.sh

if [ "Darwin" == $(uname) ]; then
    alias showFiles='defaults write com.apple.finder AppleShowAllFiles YES; killall Finder /System/Library/CoreServices/Finder.app'
    alias hideFiles='defaults write com.apple.finder AppleShowAllFiles NO; killall Finder /System/Library/CoreServices/Finder.app'
    alias hibernateMode='sudo pmset -a hibernatemode 25'
    alias sleepMode='sudo pmset -a hibernatemode 3'
    alias f='open -a Finder '
fi

## Save keystrokes for directory navigation
alias ~='cd ~'
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .5='cd ../../../../'
alias .6='cd ../../../../..'
alias .7='cd ../../../../../..'

## Clear the terminal screen
alias c='clear'

## Create a directory hierarchy
alias mkdir='mkdir -pv'

alias grep='grep --color=always '

## Print list of $PATH
alias path='echo -e ${PATH//:/\\n}'

## Obtain the current date & time
alias now='date "+DATE: %y/%m/%d%nTIME: %H:%M:%S"'
alias d-t='date "+%y-%m-%d_%Hh%Mm%Ss"'

## Backup an arbitrary file/folder
## usage) bu [file or folder]
alias bu='f_bu() { cp -R "$1" "$1"-`d-t`; }; f_bu'

## Show files with a long listing format
alias ll='ls -laF'
 
## Show hidden files
alias l.='ls -d .*'

## Print a long bar as follows
##
## ================================================================================
##
## When your screen is cluttered with lots of messages,
## this will let you easily spot a particular portion of messages
alias l='tput setaf 5 && printf "\n%80s\n\n" | tr " " = && tput sgr 0'

## Show total size of all the target folder contents 
## usage) d [file or folder]
alias d='du -sh'

## List files and folders and sort them by size (kb units)
alias ds='du -sk * | sort -nr'

## Print exit code from the last run command
alias e='echo $?'

alias wd='pwd | sed "s@/@ / @g"'

## Print remaining battery power
if [ "Linux" == "$(uname)" ]; then
  alias battery='cat /sys/class/power_supply/BAT0/capacity'
fi

## Define pbcopy for copying data to the system clipboard
## and pbpaste for pasting data from the system clipboard
## As you may know, OS X already has them.
## In Linux, you need to install xsel or xclip
type pbcopy > /dev/null 2>&1 && pbpaste > /dev/null 2>&1 || {
    case "$( uname )" in
        CYGWIN*)
            alias pbcopy='cat - > /dev/clipboard'
            alias pbpaste='cat /dev/clipboard'
            ;;
        *)
            if type xsel > /dev/null 2>&1; then
                alias pbcopy='xsel --clipboard --input'
                alias pbpaste='xsel --clipboard --output'
            elif type xclip > /dev/null 2>&1; then
                alias pbcopy='xclip -selection clipboard'
                alias pbpaste='xclip -selection clipboard -o'
            else
                : ### Dump some error or warning messages here;
            fi
            ;;
    esac
}

if type pbcopy &> /dev/null && type pbpaste &> /dev/null; then
    copyToClipboard() {
        [ $# -lt 1 ] && echo "Usage: $FUNCNAME [text to copy]" && return; 
        echo -n $@ | pbcopy
    }

    ## Copy arbitrary command output to the system clipboard
    ## e.g) echo hello world |~~
    alias ~~='copyToClipboard $( cat - ); pbpaste; echo'

    ## Copy the current working directory path to the system clipboard
    alias cwd='echo ~+|~~'
fi

## Rerun the last command (shorter than '!!')
alias r='fc -s'

## Open with Vim the files whose names have been written to the STDOUT by the last command 
alias vl='vim -p $(fc -s)'

## Invoke vim even when asked for vi
alias vi=vim

## Print the current git branch (available in only git repositories)
alias cb='git symbolic-ref HEAD | cut -d"/" -f3'

## Invoke diff with unified mode
alias diff='diff -u'

## Launch a simple http web server
## 'http-server' node module should be installed 
alias ws='hs -s -a localhost -p 8000 -c-1 ./'

## Numeric calculation
## e.g) % "(3+4)*2"
alias %='bc -l <<<'

## Converting numbers to decimal format
## e.g) dec 0x7fffffff
alias dec='printf "%d\n"'

## Converting numbers to hexadecimal format
## e.g) hex 0x7fffffff
alias hex='printf "%x\n"'

## Convert tabs to spaces for system clipboard content
## Need to properly define pbcopy/pbpaste aliases
alias t2s='pbpaste | expand | pbcopy'

## Bash completion for alias names
## e.g) Just typing 'alias l <tab><tab>' will suggest every aliases that start with 'l'
## Convenient when you don't remember the whole name of the alias you need for the moment
complete -A alias "alias"