test

#!/usr/bin/env bash

main(){
	# Bind 'ctrl+n' to cycle through the buffer list. As
	# the prompt uses bash's builtin 'readline', we're
	# able to do whatever we like with it. Neat huh?
	bind -x '"\C-n":cmd "/next"' &>/dev/null
	bind -x '"\C-p":cmd "/prev"' &>/dev/null
	bind 'TAB:menu-complete' &>/dev/null
	bind 'set match-hidden-files off' &>/dev/null
	bind 'set horizontal-scroll-mode on' &>/dev/null

	dir="${TMPDIR:=/tmp}/budget"
	cd "$dir" || exit 1
	for file in income expense; do
		mkdir -p "${dir}/${file}"
		for f in add delete modify;{ :> ${file}/${f}; }
	done

	 # Set readline's history file so that we can manage
	 # its history ourselves.
	 export HISTFILE=$PWD/hist
	 export HISTCONTROL=ignoreboth:erasedups
	 export INPUTRC=$BIRCH_INPUTRC
 }

tst(){
	case $1 in
		income/add)	echo "income add $(($2))" ;;
		income/delete) echo "income del $(($2))" ;;
		income/modify) echo "income mod $(($2))" ;;
	esac
	echo $(($1))
	[[ "$1" -gt 0 ]] || return
	history -s "$1"
}

main "$@"

while read -e; do set $REPLY; tst "$1" "$(($3))"; done