#!/bin/sh
# 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 $1`
B "$@"
echo editing "$@"
while sleep 1
do
nstat=`ls -l $1`
if [ "x$stat" != "x$nstat" ]
then
exit
fi
done