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|
#!/bin/sh
# @(#)recover.script 8.7 (Berkeley) 8/16/94
#
# Script to recover nvi edit sessions.
#
RECDIR=/var/tmp/vi.recover
SENDMAIL=/usr/sbin/sendmail
case "$1" in
start)
echo -n 'Recovering nvi editor sessions... '
# Check editor backup files.
vibackup=`echo $RECDIR/vi.*`
if [ "$vibackup" != "$RECDIR/vi.*" ]; then
for i in $vibackup; do
# Make sure we didn't lose the leading directory. This
# would only happen if some loser is playing games with
# embedded spaces in vi recovery file names
i=$RECDIR/${i#$RECDIR/}
# Only test files that are readable.
if test ! -r $i; then
continue
fi
# Unmodified nvi editor backup files either have the
# execute bit set or are zero length. Delete them.
if test -x $i -o ! -s $i; then
rm $i
fi
done
fi
# It is possible to get incomplete recovery files, if the editor crashes
# at the right time.
virecovery=`echo $RECDIR/recover.*`
if [ "$virecovery" != "$RECDIR/recover.*" ]; then
for i in $virecovery; do
# Make sure we didn't lose the leading directory. This
# would only happen if some loser is playing games with
# embedded spaces in vi recovery file names
i=$RECDIR/${i#$RECDIR/}
# Only test files that are readable.
if test ! -r $i; then
continue
fi
# Delete any recovery files that are zero length, corrupted,
# or that have no corresponding backup file. Else send mail
# to the user.
recfile=`awk '/^X-vi-recover-path:/{print $2}' < $i`
if test -n "$recfile" -a -s "$recfile"; then
($SENDMAIL -t < $i &) </dev/null >/dev/null 2>&0
else
rm $i
fi
done
fi
echo "done."
;;
stop|restart|reload|force-reload)
;;
esac
exit 0
|
