Merge pull request #82 from TakiTake/feature/support-no-backup-files-case
Support no backup file case.
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					@ -10,6 +10,6 @@ do
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    sleep 10
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					    sleep 10
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    if [[ ! -z "${BACKUP_COUNT}" ]]; then
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					    if [[ ! -z "${BACKUP_COUNT}" ]]; then
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        echo "Trimming to only ${BACKUP_COUNT} recent backups in preparation for new backup"
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					        echo "Trimming to only ${BACKUP_COUNT} recent backups in preparation for new backup"
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        ls ${BACKUP_DIR} | sort -gr | grep 'tar.gz' | tail -n +$((BACKUP_COUNT +1)) | xargs -I '{}' rm ${BACKUP_DIR}/'{}'
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					        find ${BACKUP_DIR} -name '*.tar.gz' -exec basename {} \; | sort -gr | tail -n +$((BACKUP_COUNT +1)) | xargs -I '{}' rm ${BACKUP_DIR}/'{}'
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    fi
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					    fi
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done
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					done
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