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1 #!/bin/sh
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2 #
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3 # Copyright © 1995, William M. Perry <wmperry@spry.com>
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4 #
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5 # Author: William M. Perry <wmperry@spry.com>
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6 # Maintainer: William M. Perry <wmperry@spry.com>
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7 # Created: 95/04/18 10:44:15
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8 # Version: $Revision: 1.1.1.1 $
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9 # Modified: $Date: 1996/12/18 03:46:20 $
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10 # Keywords: cache clean
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11 #
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12 # This shell script will clean out your cache directory for emacs-w3
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13 # It is designed to be run from a cron (see crontab(5)) or at(1)
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14 #
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15 # This should probably only be run occasionally: like once a month, or
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16 # when you determine that the cache size is too big. Something like:
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17 #
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18 # CACHEMAXSIZE=5000
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19 # SIZE=`du -s $CACHE_ROOT | awk '{print $1}'
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20 # if [ $SIZE -gt 5000 ] ; then
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21 # /run/the/real/clean-cache
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22 # fi
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23
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24 if [ -z "$CACHE_ROOT" ] ; then
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25 CACHE_ROOT=/tmp/$USER # The root directory of the cache
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26 fi
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27
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28 if [ -z "$CONTROL_FILE" ] ; then
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29 CONTROL_FILE="$CACHE_ROOT/.clean"
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30 fi
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31
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32 if [ -z "$CLEAN_PROTOCOLS" ] ; then
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33 CLEAN_PROTOCOLS="http gopher file ftp wais news"
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34 fi
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35
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36 if [ -f "$CONTROL_FILE" ] ; then
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37 echo "Starting to clean $CACHE_ROOT..." `date`
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38
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39 for x in $CLEAN_PROTOCOLS
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40 do
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41 if [ -d "$x" ] ; then
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42 echo " Cleaning $x files"
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43 find $CACHE_ROOT/$x -depth -type f \( ! -anewer "$CONTROL_FILE" \) \
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44 -exec rm -f {} \;
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45 find $CACHE_ROOT/$x -depth -type d -exec rmdir {} \;
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46 fi
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47 done
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48
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49 touch "$CONTROL_FILE"
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50 echo "Cache clean ended: "`date`
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51 else
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52 echo "The cleaning control file ($CONTROL_FILE) could not be found."
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53 echo "To create it (and make all your cache files 'current' do:"
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54 echo ""
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55 echo "touch $CONTROL_FILE"
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56 echo "find $CACHE_ROOT -exec touch {} \;"
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57 echo ""
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58 echo "PLEASE NOTE: This can damage your cache, by changing the times it"
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59 echo "sends to the remote server to see if the file was modified."
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60 echo "I recommend just touching the file, then rerunning this script to"
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61 echo "wipe the cache clean and start over."
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62 fi
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