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#!/bin/bash |
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PROGNAME=$(basename $0) |
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OUTFILE="/tmp/ftplist.$RANDOM.txt" |
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CMDFILE="/tmp/ftpcmd.$RANDOM.txt" |
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ndays=14 |
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print_usage() { |
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echo "" |
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echo "$PROGNAME - Delete files older than N days from an FTP server" |
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echo "" |
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echo "Usage: $PROGNAME -s -u -p -f (-d)" |
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echo "" |
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echo " -s FTP Server name" |
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echo " -u User Name" |
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echo " -p Password" |
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echo " -f Folder" |
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echo " -d Number of Days (Default: $ndays)" |
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echo " -h Show this page" |
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echo "" |
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echo "Usage: $PROGNAME -h" |
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echo "" |
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exit |
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} |
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# Parse parameters |
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options=':hs:u:p:f:d:' |
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while getopts $options flag |
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do |
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case $flag in |
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s) |
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FTPSITE=$OPTARG |
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;; |
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u) |
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FTPUSER=$OPTARG |
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;; |
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p) |
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FTPPASS=$OPTARG |
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;; |
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f) |
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FTPDIR=$OPTARG |
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;; |
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d) |
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ndays=$OPTARG |
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;; |
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h) |
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print_usage |
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;; |
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\?) |
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echo "Invalid option: -$OPTARG" >&2 |
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exit 1 |
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;; |
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:) |
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echo "Option -$OPTARG requires an argument." >&2 |
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exit 1 |
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;; |
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esac |
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done |
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shift $(($OPTIND - 1)) |
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if [[ -z "$FTPSITE" || -z "$FTPUSER" || -z "$FTPPASS" || -z "$FTPDIR" ]]; |
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then |
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echo "ERROR: Missing parameters" |
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print_usage |
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fi |
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# work out our cutoff date |
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TDATE=`date --date="$ndays days ago" +%Y%m%d` |
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echo FTP Site: $FTPSITE |
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echo FTP User: $FTPUSER |
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echo FTP Password: $FTPPASS |
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echo FTP Folder: $FTPDIR |
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echo Removing files older than $TDATE |
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# get directory listing from remote source |
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ftp -i -n $FTPSITE <<EOMYF > /dev/null |
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user $FTPUSER $FTPPASS |
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binary |
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cd $FTPDIR |
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ls -l $OUTFILE |
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quit |
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EOMYF |
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if [ -f "$OUTFILE" ] |
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then |
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# Load the listing file into an array |
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lista=($(<$OUTFILE)) |
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# Create the FTP command file to delete the files |
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echo "user $FTPUSER $FTPPASS" > $CMDFILE |
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echo "binary" >> $CMDFILE |
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echo "cd $FTPDIR" >> $CMDFILE |
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COUNT=0 |
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# loop over our files |
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for ((FNO=0; FNO<${#lista[@]}; FNO+=9));do |
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# month (element 5), day (element 6) and filename (element 8) |
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FMM=${lista[`expr $FNO+5`]} |
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FDD=${lista[`expr $FNO+6`]} |
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FYY=${lista[`expr $FNO+7`]} |
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if [[ $FYY == *\:* ]] |
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then |
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FDATE=`date -d "$FMM $FDD" +'%Y%m%d'` |
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else |
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FDATE=`date -d "$FMM $FDD $FYY" +'%Y%m%d'` |
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fi |
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# echo $FDATE |
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# check the date stamp |
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if [[ $FDATE -lt $TDATE ]]; |
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then |
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echo "Deleting ${lista[`expr $FNO+8`]}" |
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echo "delete ${lista[`expr $FNO+8`]}" >> $CMDFILE |
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COUNT=$[$COUNT + 1] |
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fi |
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done |
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echo "quit" >> $CMDFILE |
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if [[ $COUNT -gt 0 ]]; |
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then |
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cat $CMDFILE | tr -d "\r" > $CMDFILE |
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ftp -i -n $FTPSITE < $CMDFILE > /dev/null |
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else |
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echo "Nothing to delete" |
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fi |
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rm -f $OUTFILE $CMDFILE |
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fi |
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