88 lines
1.7 KiB
Bash
88 lines
1.7 KiB
Bash
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#!/bin/bash --posix
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set -e
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DIRECTORY=""
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HOUR=12
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DAYS_OLD=3
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usage() {
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printf "%s\n" "Usage: Autodelete-Files -d <path>
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--directory <dir> | -d <dir>
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Example:
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--directory ~/trash/
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--hour <int < 24> | -h <int < 24>
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Example:
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--hour 5
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Default: 12
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--days-old <int > 0> | -o <int > 0>
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Example:
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--days-old 3
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Default: 3"
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}
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error() {
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printf "\n%s\n" "$1" >&2
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exit 1
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}
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confirmation() {
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while true; do
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read -p "${1}" -n 1 -r choice
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case "$choice" in
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y|Y ) return 1;;
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n|N ) return 0;;
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* ) echo -e "\nInput must be either y, Y, n, or N";;
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esac
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done
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}
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while :; do
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case $1 in
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-h | -\? | --help)
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usage # Display a usage synopsis.
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exit
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;;
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--) # End of all options.
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shift
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break
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;;
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-d | --directory)
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shift
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DIRECTORY="${1}"
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;;
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-h | --hour)
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shift
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HOUR="${1}"
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;;
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-o | --days-old)
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shift
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DAYS_OLD="${1}"
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;;
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-?*)
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printf 'Unknown option: %s\n' "$1" >&2
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usage
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error
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;;
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*) # Default case: No more options, so break out of the loop.
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break ;;
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esac
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shift
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done
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[[ "${DIRECTORY}" == "" ]] && error "A directory must be provided!"
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[[ -d "${DIRECTORY}" ]] && error "The given directory ${DIRECTORY} was invalid"
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[[ "${HOUR}" -gt 23 ]] && error "Hour may be no more than 23"
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[[ "${HOUR}" -lt 0 ]] && error "Hour may be no less than 0"
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[[ ! "${HOUR}" -eq "${HOUR}" ]] && error "Hour must be a number"
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[[ ! "${DAYS_OLD}" -eq "${DAYS_OLD}" ]] && error "Days-old must be a number"
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NEW_CRON_ENTRY="00 ${HOUR} * * * find ${DIRECTORY} -mtime +${DAYS_OLD} -exec rm {} \;"
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crontab -l | { cat; echo "${NEW_CRON_ENTRY}"; } | crontab -
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