Bash script that remove oldest files recursively from a directory if free size is over a threshold

remove_oldest_to_free_space.sh

#!/bin/bash

DIRECTORY="/path/to/your/directory"
CAPACITY=95
while [[ $(df $DIRECTORY | awk 'NR==2 && gsub("%","") {print$5}') -ge $CAPACITY ]];do
        rm -rf $(find $DIRECTORY -mindepth 1 -printf '%T+ %p\n' | sort | awk 'NR==1 {print$2}')
done