Andrew-liu Andrew-liu

## zhuang_bi.sh
#!/bin/bash
# Usage:  copy the code into .zshrc config file
# Find out current screen width and hight
_COLUMNS=$(tput cols)
# Set default message if ( input not provided
_MESSAGE=" FBI Warining "
# Calculate x and y coordinates so that we can display $MESSAGE
# centered in the screen
y=$(( ( $_COLUMNS - ${#_MESSAGE} )  / 2 ))
spaces=$(printf "%-${y}s" " ")
	#!/bin/bash
	# Usage: copy the code into .zshrc config file
	# Find out current screen width and hight
	_COLUMNS=$(tput cols)
	# Set default message if ( input not provided
	_MESSAGE=" FBI Warining "
	# Calculate x and y coordinates so that we can display $MESSAGE
	# centered in the screen
	y=$(( ( $_COLUMNS - ${#_MESSAGE} ) / 2 ))
	spaces=$(printf "%-${y}s" " ")