improvbash.sh

[ -z "`grep -o 'completion-ignore-case on' ~/.bashrc`" ] \
 && echo "bind 'set completion-ignore-case on' # turnon ignorecase" >> ~/.bashrc

[ -z "`grep -o 'show-all-if-ambiguous on' ~/.bashrc`" ] \
 && echo "bind 'set show-all-if-ambiguous on' # dont require two tabs" >> ~/.bashrc

[ -z "`grep -o 'shopt -s cdspell' ~/.bashrc`" ] \
  && echo "shopt -s cdspell # fix wrong type keys" >> ~/.bashrc