Give .bash.rc or bash_profile some love


 

extract () {
if [ -f $1 ] ; then
case $1 in
*.tar.bz2) tar xvjf $1 ;;
*.tar.gz) tar xvzf $1 ;;
*.bz2) bunzip2 $1 ;;
*.rar) unrar x $1 ;;
*.gz) gunzip $1 ;;
*.tar) tar xvf $1 ;;
*.tbz2) tar xvjf $1 ;;
*.tgz) tar xvzf $1 ;;
*.zip) unzip $1 ;;
*.Z) uncompress $1 ;;
*.7z) 7z x $1 ;;
*) echo "don't know how to extract '$1'..." ;;
esac
else
echo "'$1' is not a valid file!"
fi
}
alias checkip='dig +short myip.opendns.com @resolver1.opendns.com.'
export HISTFILESIZE=20000
export HISTSIZE=10000
shopt -s histappend
# Combine multiline commands into one in history
shopt -s cmdhist
# Ignore duplicates, ls without options and builtin commands
HISTCONTROL=ignoredups

MacOS only command:

alias cleardns='sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder;say DNS clear'

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