--- ccollect-0.7.1-e.sh	2009-05-24 22:18:16.000000000 -0700
+++ ccollect-0.7.1-f.sh	2009-05-24 22:19:50.000000000 -0700
@@ -124,10 +124,64 @@
    echo "   Retrieve latest ccollect at http://unix.schottelius.org/ccollect/"
    exit 0
 }
 
 #
+# Select interval if AUTO
+#
+# For this to work nicely, you have to choose interval names that sort nicely
+# such as int1, int2, int3 or a_daily, b_weekly, c_monthly, etc.
+#
+auto_interval()
+{
+   if [ -d "${backup}/intervals" -a -n "$(ls "${backup}/intervals" 2>/dev/null)" ] ; then
+      intervals_dir="${backup}/intervals"
+   elif [ -d "${CDEFAULTS}/intervals" -a -n "$(ls "${CDEFAULTS}/intervals" 2>/dev/null)" ] ; then
+      intervals_dir="${CDEFAULTS}/intervals"
+   else
+      _exit_err "No intervals are defined.  Skipping."
+   fi
+   echo intervals_dir=${intervals_dir}
+
+   trial_interval="$(ls -1r "${intervals_dir}/" | head -n 1)" || \
+      _exit_err "Failed to list contents of ${intervals_dir}/."
+   _techo "Considering interval ${trial_interval}"
+   most_recent="$(pcmd ls -${TSORT}p1 "${ddir}" | grep "^${trial_interval}.*/$" | head -n 1)" || \
+      _exit_err "Failed to list contents of ${ddir}/."
+   _techo "   Most recent ${trial_interval}: '${most_recent}'"
+   if [ -n "${most_recent}" ]; then
+       no_intervals="$(ls -1 "${intervals_dir}/" | wc -l)"
+       n=1
+       while [ "${n}" -le "${no_intervals}" ]; do
+          trial_interval="$(ls -p1 "${intervals_dir}/" | tail -n+${n} | head -n 1)"
+          _techo "Considering interval '${trial_interval}'"
+          c_interval="$(cat "${intervals_dir}/${trial_interval}" 2>/dev/null)"
+          m=$((${n}+1))
+          set --  "${ddir}" -maxdepth 1
+          while [ "${m}" -le "${no_intervals}" ]; do
+             interval_m="$(ls -1 "${intervals_dir}/" | tail -n+${m} | head -n 1)"
+             most_recent="$(pcmd ls -${TSORT}p1 "${ddir}" | grep "^${interval_m}\..*/$" | head -n 1)"
+             _techo "   Most recent ${interval_m}: '${most_recent}'"
+             if [ -n "${most_recent}" ] ; then
+                set -- "$@" -$NEWER "${ddir}/${most_recent}"
+             fi
+             m=$((${m}+1))
+          done
+          count=$(pcmd find "$@" -iname "${trial_interval}*" | wc -l)
+          _techo "   Found $count more recent backups of ${trial_interval} (limit: ${c_interval})"
+          if [ "$count" -lt "${c_interval}" ] ; then
+             break
+          fi
+          n=$((${n}+1))
+       done
+   fi
+   export INTERVAL="${trial_interval}"
+   D_FILE_INTERVAL="${intervals_dir}/${INTERVAL}"
+   D_INTERVAL=$(cat "${D_FILE_INTERVAL}" 2>/dev/null)
+}
+
+#
 # need at least interval and one source or --all
 #
 if [ $# -lt 2 ]; then
    if [ "$1" = "-V" -o "$1" = "--version" ]; then
       display_version
@@ -344,12 +398,28 @@
          _exit_err "${c_pre_exec} failed. Skipping."
       fi
    fi
 
    #
+   # Destination is a path
+   #
+   if [ ! -f "${c_dest}" ]; then
+      _exit_err "Destination ${c_dest} is not a file. Skipping."
+   else
+      ddir=$(cat "${c_dest}"); ret="$?"
+      if [ "${ret}" -ne 0 ]; then
+         _exit_err "Destination ${c_dest} is not readable. Skipping."
+      fi
+   fi
+
+   #
    # interval definition: First try source specific, fallback to default
    #
+   if [ ${INTERVAL} = "AUTO" ] ; then
+      auto_interval
+      _techo "Selected interval: '$INTERVAL'"
+   fi
    c_interval="$(cat "${backup}/intervals/${INTERVAL}" 2>/dev/null)"
 
    if [ -z "${c_interval}" ]; then
       c_interval="${D_INTERVAL}"
 
@@ -371,22 +441,10 @@
    fi
    # Verify source is up and accepting connections before deleting any old backups
    rsync "$source" >/dev/null || _exit_err "Source ${source} is not readable. Skipping."
 
    #
-   # Destination is a path
-   #
-   if [ ! -f "${c_dest}" ]; then
-      _exit_err "Destination ${c_dest} is not a file. Skipping."
-   else
-      ddir=$(cat "${c_dest}"); ret="$?"
-      if [ "${ret}" -ne 0 ]; then
-         _exit_err "Destination ${c_dest} is not readable. Skipping."
-      fi
-   fi
-
-   #
    # do we backup to a remote host? then set pre-cmd
    #
    if [ -f "${c_remote_host}" ]; then
       # adjust ls and co
       remote_host=$(cat "${c_remote_host}"); ret="$?"