Bash

Overview

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Bash script

Simple Bash script with arguments

./myScript.sh arg1 arg2 arg3

myScript.sh

echo $1		# prints: arg1
echo $2		# prints: arg2
echo $3		# prints: arg3
echo ${@:1}	# prints: arg1 arg2 arg3

Configuration

Login shell reads the first of these files:

  • ~/.bash_profile
  • ~/.bash_login
  • ~/.profile

Configuration files (user specific)

  • .bash_rc

My Bash Profile

.bash_profile

###########
# Aliases #
###########
alias workdir='cd path/to/workdir'
alias .='cd ..'
alias ..='cd ../..'
alias ...='cd ../../..'
alias ....='cd ../../../..'

alias ll="ls -alF"

# cd and pwd in one
#alias cd='cd | pwd' 
#function cd () { cd $1; pwd}

# mkdir + cd in one
#function mcdir () { mkdir -p "$@" && eval cd "\"\$$#\""; }

# more history
export HISTSIZE=100000

PROMPT_DIRTRIM=5
PS1='\[\e[1;34m\]\h \j \W>\[\e[0m\] '

## arrow up
bind '"\e[A":history-search-backward'
## arrow down
bind '"\e[B":history-search-forward'