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@odenijs
Forked from hatifnatt/removeOlderThanDays.sh
Created April 21, 2021 15:08
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Simple script to delete files older than specific number of days from FTP
#!/bin/bash
# Simple script to delete files older than specific number of days from FTP. Provided AS IS without any warranty.
# This script use 'lftp'. And 'date' with '-d' option which is not POSIX compatible.
# FTP credentials and path
FTP_HOST="ftp.host.tld"
FTP_USER="usename"
FTP_PASS="password"
FTP_PATH="/ftp/path"
# Full path to lftp executable
LFTP=`which lftp`
# Enquery days to store from 1-st passed argument or strictly hardcode it, uncomment one to use
STORE_DAYS=${1:? "Usage ${0##*/} X, where X - count of daily archives to store"}
# STORE_DAYS=6
function removeOlderThanDays() {
# Make some temp files to store intermediate data
LIST=`mktemp`
DELLIST=`mktemp`
# Connect to ftp get file list and store it into temp file
${LFTP} << EOF
open ${FTP_USER}:${FTP_PASS}@${FTP_HOST}
cd ${FTP_PATH}
cache flush
cls -q -1 --date --time-style="+%Y%m%d" > ${LIST}
quit
EOF
# Print obtained list, uncomment for debug
# echo "File list"
# cat ${LIST}
# Delete list header, uncomment for debug
# echo "Delete list"
# Let's find date to compare
STORE_DATE=$(date -d "now - ${STORE_DAYS} days" '+%Y%m%d')
while read LINE; do
if [[ ${STORE_DATE} -ge ${LINE:0:8} && "${LINE}" != *\/ ]]; then
echo "rm -f \"${LINE:9}\"" >> ${DELLIST}
# Print files wich is subject to delete, uncomment for debug
#echo "${LINE:9}"
fi
done < ${LIST}
# More debug strings
# echo "Delete list complete"
# Print notify if list is empty and exit.
if [ ! -f ${DELLIST} ] || [ -z "$(cat ${DELLIST})" ]; then
echo "Delete list doesn't exist or empty, nothing to delete. Exiting"
exit 0;
fi
# Connect to ftp and delete files by previously formed list
${LFTP} << EOF
open ${FTP_USER}:${FTP_PASS}@${FTP_HOST}
cd ${FTP_PATH}
$(cat ${DELLIST})
quit
EOF
# Remove temp files
rm ${LIST} ${DELLIST}
}
removeOlderThanDays
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