mblaze/setmap

#!/bin/sh -e
# setmap [-a] - store/append stdin as santoku map (can be used as filter)

: ${MAILMAP:=~/.santoku/map}

if [ "$1" = -a ]; then
	cat ${MAILMAP} - >"${MAILMAP}-"
else
	cat >"${MAILMAP}-"
fi
mv "${MAILMAP}-" "${MAILMAP}"
[ -t 1 ] || cat "${MAILMAP}"