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###########################################################
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# List files and directories which are not owned by any package in a Debian system
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# Scripted by Fincer (~Pekka Helenius), 2017
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echo -e "\nSearch for files & folders which are not owned by any installed package.\n"
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if [[ $# -eq 0 ]]; then
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read -r -p "Folder path: " BASEDIR
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#Substitute $ symbol from environmental variables for printenv input
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if [[ $BASEDIR == *"$"* ]]; then
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BASEDIR=$(echo $(printenv $(echo ${BASEDIR} | sed 's/\$//g')))
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fi
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else
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BASEDIR=$1
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fi
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if [[ ! $(file --mime-type "${BASEDIR}" | grep "inode/directory" | wc -l) -eq 1 ]]; then
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echo "ERROR: Use full folder path as an input value!"
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elif [[ $# -gt 1 ]]; then
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echo "ERROR: Only one argument accepted!"
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else
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echo -e "Search depth:\n1 = "${BASEDIR}"\n2 = "${BASEDIR}" & subfolders\n3 = "${BASEDIR}", subfolders & 2 folder levels below\n4 = no limit\n"
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read -r -p "Which depth value you prefer? [Default: 1] " response
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case $response in
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1)
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depth="-maxdepth 1 "
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depthstr="${BASEDIR}"
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;;
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2)
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depth="-maxdepth 2 "
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depthstr="${BASEDIR} and subfolders"
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;;
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3)
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depth="-maxdepth 3 "
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depthstr="${BASEDIR}, subfolders and 2 folder levels below"
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;;
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4)
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depth=""
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depthstr="${BASEDIR} and all subfolders"
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;;
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*)
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echo -e "\nUsing default value [1]"
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depth="-maxdepth 1 "
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depthstr="${BASEDIR}"
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esac
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echo -e "\nSearching unowned files in $depthstr\n"
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function counter() {
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i=0
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n=1
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COUNT=$(echo "$DATASET" | wc -l)
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IFS=$'\n'
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for data in $DATASET; do
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echo -ne "Scanning $data_name $n ($(( 100*$n/$COUNT ))%) of all $type ($COUNT) in $depthstr\r"
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if [[ $(dpkg -S "${data}" &>/dev/null || echo "no path found matching pattern" | wc -l) -eq 1 ]]; then
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DATA_ARRAY[$i]="$(( $i + 1)) - ${data}"
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let i++
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fi
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let n++
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done
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unset IFS
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if [[ $i -gt 0 ]]; then
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echo -e "\nThe following $i of $COUNT $type is not owned by any installed package in $depthstr:\n"
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IFS=$'\n'
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echo -e "${DATA_ARRAY[*]}\n"
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unset IFS
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unset DATA_ARRAY
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else
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echo -e "\nAll $type are owned by system packages in $depthstr.\n"
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fi
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}
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function files() {
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DATASET=$(find "${BASEDIR}" ${depth} -type f)
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type="files"
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data_name="file"
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counter
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}
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function folders() {
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DATASET=$(find "${BASEDIR}" ${depth} -type d)
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type="folders"
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data_name="folder"
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counter
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}
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files; folders
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fi
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