A simple trash system for UNIX.

trash.sh

TRASH_DIR=~/.Trash # Set the Trash directory
mkdir -p "$TRASH_DIR" # Create it if it's not already created

trash() {
	# list trash dir if no arguments given
	if [[ -z $1 ]]; then
		if _bash_trash_is_empty; then # call _bash_trash_is_empty function, then
			echo "$TRASH_DIR: trash is empty" # return that the trash is empty
		else
			du -csh "$TRASH_DIR"/* # else list the contents of the trash directory
		fi
		return # return the output
	fi

	local f
	for f in "$@"; do # for 'f' in $@ (working dir) do
		local b=$(basename "$f") # set base file name
		local fname=$b # set name to $b
		local i=1 # set $i to 1
		while [[ -e $TRASH_DIR/$fname ]]; do
			fname=$b.$i
			((i++)) # count the number of files to be moved
		done
		mv "$f" "$TRASH_DIR/$fname" # execute 'mv' on $f based on $i
	done
}

emptytrash() {
	command rm -rf "$TRASH_DIR"/* # remove all files in $TRASH_DIR with 'rm'
}

_bash_trash_is_empty() {
	(
	shopt -s nullglob
	files=("$TRASH_DIR"/*)
	[[ -z ${files[0]} ]] # no files found, so trash is empty
	)
	return $?
}