zellyn · March 9, 2017 14:10
diff --git a/clear the scrollback on MacOS b/clear the scrollback on MacOS
 alias csb="clear && printf '\e[3J'"
diff --git a/horizontal rule b/horizontal rule
 # Print a horizontal rule, the width of the terminal
 # http://wiki.bash-hackers.org/snipplets/print_horizontal_line
 function hr {
    # Optional arg $1: number of blank lines before
    # Optional arg $2: number of blank lines after

    if [[ $1 > 0 ]]
    then
 	printf '%*s\n' $(($1+0)) '' | tr ' ' '\n'
    fi
    printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
    if [[ $2 > 0 ]]
    then
 	printf '%*s\n' $(($2+0)) '' | tr ' ' '\n'
    fi
 }

diff --git a/watchloop b/watchloop
 # perform an action in a loop
 function watchloop {
    local clear=0
    if [[ "$1" = "-c" ]]
    then
 	clear=1
 	shift
    fi
    local dir=$1
    shift
    while true
    do
 	hr
 	[[ $clear == 1  ]] && clear && printf '\e[3J'
 	$* && echo ok
 	fswatch -1 -r $dir > /dev/null
 	sleep 0.2
    done
 }
	# Print a horizontal rule, the width of the terminal
	# http://wiki.bash-hackers.org/snipplets/print_horizontal_line
	function hr {
	# Optional arg $1: number of blank lines before
	# Optional arg $2: number of blank lines after

	if [[ $1 > 0 ]]
	then
	printf '%*s\n' $(($1+0)) '' \| tr ' ' '\n'
	fi
	printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' \| tr ' ' -
	if [[ $2 > 0 ]]
	then
	printf '%*s\n' $(($2+0)) '' \| tr ' ' '\n'
	fi
	}