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#!/usr/bin/env bash
# Set defaults
TARGET_DIR=$HOME/Downloads
NUM_DAYS=30
TRASH_DIR=$HOME/.Trash
function usage() {
echo "Usage: ./install.sh [-x] [-d <target directory>] [-t <trash directory>] [-n <integer>]"
}
while getopts "xd:t:n:" opt; do
case $opt in
d)
TARGET_DIR="$OPTARG"
;;
t)
TRASH_DIR="$OPTARG"
;;
x)
TRASH_DIR=
;;
n)
NUM_DAYS="$OPTARG"
;;
\?)
usage
exit 1
;;
esac
done
echo "Target directory is $TARGET_DIR"
echo "Deleting files older than $NUM_DAYS"
if [ -z "$TRASH_DIR" ]; then
echo "Hard deleting files - not using a Trash directory"
else
echo "Trash direcotry is $TRASH_DIR"
fi
function create_crontab() {
echo "# Begin Janitor job"
echo "0 */6 * * * $(pwd)/bin/janitor \"$1\" \"$2\" \"$3\""
echo "# End Janitor job"
}
function check_crontab() {
if [[ $1 == *"# Begin Janitor job"* && \
$1 == *"# End Janitor job"* ]]; then
return 1
else
return 0
fi
}
# Create crontab
if check_crontab "$(crontab -l 2>/dev/null)"; then
# Crontab exists but does not already contain ours
echo "Creating crontab entry."
entry=$(create_crontab "$TARGET_DIR" "$NUM_DAYS" "$TRASH_DIR")
(crontab -l 2>/dev/null; [[ $? -eq 0 ]] && echo " " ; echo "$entry") | crontab -
else
echo "Janitor cronjob already exists. Remove the current job (using crontab -e) and re-run this installation script."
exit 1
fi
mkdir -p logs
echo "Installation complete."
exit 0