#! /bin/sh # A directory older than the listed entry was skipped completely. . ./preset . $srcdir/before set -e mkdir structure echo x >structure/file # On Nextstep (and perhaps other 4.3BSD systems), # a newly created file's ctime isn't updated # until the next sync or stat operation on the file. ls -l structure/file >/dev/null # If the time of an initial backup and the creation time of a file contained # in that backup are the same, the file will be backed up again when an # incremental backup is done, because the incremental backup backs up # files created `on or after' the initial backup time. Without the sleep # command, behaviour of tar becomes variable, depending whether the system # clock ticked over to the next second between creating the file and # backing it up. sleep 1 tar cf archive --format=gnu --listed=list structure tar cfv archive --format=gnu --listed=list structure echo ----- sleep 1 echo y >structure/file tar cfv archive --format=gnu --listed=list structure out="\ structure/ ----- structure/ structure/file " . $srcdir/after