#!/bin/rc

# run B but then wait for the file to change.
# great to set as $EDITOR.
# the notion of a file changing is a little weak.

stat=`{ls -l $1}
B $1
echo editing $1
while (sleep 1) {
	nstat=`{ls -l $1}
	if (! ~ $"stat $"nstat)
		exit
}