diff --git a/home_external/.config/sublime-text-3/Packages/User/Preferences.sublime-settings b/home_external/.config/sublime-text-3/Packages/User/Preferences.sublime-settings
index 22fac81..ec5cd32 100644
--- a/home_external/.config/sublime-text-3/Packages/User/Preferences.sublime-settings
+++ b/home_external/.config/sublime-text-3/Packages/User/Preferences.sublime-settings
@@ -44,4 +44,5 @@
    "use_tab_stops": false,
    "word_wrap": true,
    "wrap_width": 120,
+   "index_files": true,
 }
diff --git a/scripts/archive_and_compress.sh b/scripts/archive_and_compress.sh
new file mode 100755
index 0000000..1386094
--- /dev/null
+++ b/scripts/archive_and_compress.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+source=${1%/}; # cut off trailing "/"
+tar cfv $source.tar $source && xz $source.tar;
diff --git a/scripts/backup_edi.sh b/scripts/backup_edi.sh
index d1497f4..434ea39 100755
--- a/scripts/backup_edi.sh
+++ b/scripts/backup_edi.sh
@@ -11,25 +11,26 @@ shopt -s expand_aliases # make aliases work
 
 BACKUP_DIR=/sync/backup
 BACKUP_DIR_HOME=$BACKUP_DIR/home
-if [[ !($HOME/.bash_aliases_local -ef $BACKUP_DIR_HOME/.bash_aliases_local) ]]; then
-   ln $HOME/.bash_aliases_local $BACKUP_DIR_HOME/.bash_aliases_local
-fi
-rsync_backup --link-dest="$HOME/.ssh/" $HOME/.ssh/ $BACKUP_DIR_HOME/.ssh/
+rsync_backup $HOME/.ssh/ $BACKUP_DIR_HOME/.ssh/
 
 BACKUP_DIR_ROOT=$BACKUP_DIR/root/etc
-sd rsync_backup --link-dest="/etc/ddclient/" /etc/ddclient/ $BACKUP_DIR_ROOT/ddclient/
-sd rsync_backup --link-dest="/etc/letsencrypt/" /etc/letsencrypt/ $BACKUP_DIR_ROOT/letsencrypt/
-sd rsync_backup --link-dest="/etc/nginx/" /etc/nginx/ $BACKUP_DIR_ROOT/nginx/
-sd rsync_backup --link-dest="/etc/ssh/" /etc/ssh/ $BACKUP_DIR_ROOT/ssh/
-sd rsync_backup --link-dest="/etc/wireguard/" /etc/wireguard/ $BACKUP_DIR_ROOT/wireguard/
-if [[ !(/etc/ddclient.conf -ef $BACKUP_DIR_ROOT/ddclient.conf) ]]; then
-   ln /etc/ddclient.conf $BACKUP_DIR_ROOT/ddclient.conf
-fi
+sd rsync_backup /etc/ddclient/ $BACKUP_DIR_ROOT/ddclient/
+sd rsync_backup /etc/ddclient.conf $BACKUP_DIR_ROOT/
+sd rsync_backup /etc/letsencrypt/ $BACKUP_DIR_ROOT/letsencrypt/
+sd rsync_backup /etc/nginx/ $BACKUP_DIR_ROOT/nginx/
+sd rsync_backup /etc/ssh/ $BACKUP_DIR_ROOT/ssh/
+sd rsync_backup /etc/wireguard/ $BACKUP_DIR_ROOT/wireguard/
+sd rsync_backup /etc/hosts $BACKUP_DIR_ROOT/
+sd rsync_backup /etc/docker/daemon.json $BACKUP_DIR_ROOT/docker/
 
 
 #####################
 ### upload backup ###
 #####################
 
+if [[ "$1" == "--noupload" ]]; then
+   exit 0;
+fi
+
 sd rsync_backup -e "ssh -i /home/edi/.ssh/id_ed25519" --filter="P /home/docker" /sync/backup/ fabian@garrus:/citadel/backup/edi/
 sd rsync_backup -e "ssh -i /home/edi/.ssh/id_ed25519" /home/edi/docker/ fabian@garrus:/citadel/backup/edi/home/docker/
diff --git a/scripts/decompress_and_unarchive.sh b/scripts/decompress_and_unarchive.sh
new file mode 100755
index 0000000..b0f34c2
--- /dev/null
+++ b/scripts/decompress_and_unarchive.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+source=$1;
+archive=${source%.xz}; # cut off trailing ".xz"
+unxz $source && tar xfv $archive
diff --git a/scripts/escapeFilenames.sh b/scripts/escapeFilenames.sh
index d0c350f..e41eb3e 100755
--- a/scripts/escapeFilenames.sh
+++ b/scripts/escapeFilenames.sh
@@ -11,6 +11,8 @@ replacements[':']='_';
 replacements["'"]='_';
 replacements['(']='_';
 replacements[')']='_';
+replacements['[']='_';
+replacements[']']='_';
 while [[ $# > 0 ]]; do
    replacements["$1"]="$2";
    shift 2;
diff --git a/scripts/mount_general.sh b/scripts/mount_general.sh
index 8519483..1a16264 100644
--- a/scripts/mount_general.sh
+++ b/scripts/mount_general.sh
@@ -2,13 +2,12 @@
 set -euo pipefail
 
 sshMount () {
-   clientUser=$(whoami);
    serverUser=$1;
    serverHost=$2;
    shift 2;
    args=($@)
    for ((i=0; i < ${#args[@]}; i=i + 2)); do
-      sshfs ${serverUser}@${serverHost}:/citadel/${args[$i]}/ /home/${clientUser}/${args[$i + 1]}/ -o reconnect,ServerAliveInterval=15,ServerAliveCountMax=8
+      sshfs ${serverUser}@${serverHost}:/citadel/${args[$i]}/ $HOME/${args[$i + 1]}/ -o reconnect,ServerAliveInterval=15,ServerAliveCountMax=8
    done
 }
 
diff --git a/scripts/reencode_audio.sh b/scripts/reencode_audio.sh
index 814eb43..511ea6d 100755
--- a/scripts/reencode_audio.sh
+++ b/scripts/reencode_audio.sh
@@ -5,7 +5,7 @@ set -euo pipefail
 dir="$(pwd)"
 dest=${dir%/*}/${dir##*/}_reencode
 if [[ !(-d $dest) ]]; then
-   mkdir $dest
+   mkdir "$dest"
 fi
 
 for file in ./*.$1; do
diff --git a/scripts/reencode_m4a.sh b/scripts/reencode_m4a.sh
index 38e1bcc..8ddc742 100755
--- a/scripts/reencode_m4a.sh
+++ b/scripts/reencode_m4a.sh
@@ -21,7 +21,7 @@ fi
 dir="$(pwd)"
 dest=${dir%/*}/${dir##*/}_reencode
 if [[ !(-d $dest) ]]; then
-   mkdir $dest
+   mkdir "$dest"
 fi
 
 for file in ./*.m4a; do
diff --git a/scripts/transcode_flac.sh b/scripts/transcode_flac.sh
new file mode 100755
index 0000000..161499c
--- /dev/null
+++ b/scripts/transcode_flac.sh
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# evaluate options through given arguments
+file_suffix='wav'
+map=
+while [[ $# > 0 ]]; do
+   case $1 in
+      -t | --type) file_suffix=$2; shift 2;;
+      -map       ) map='-map 0:0'; shift;;
+      *          )                 break ;; # Anything else stops command line processing.
+   esac
+done
+
+# ensure existence of destination folder
+dir="$(pwd)"
+dest=${dir%/*}/${dir##*/}_flac
+if [[ !(-d $dest) ]]; then
+   mkdir "$dest"
+fi
+
+for file in ./*.$file_suffix; do
+   echo "ffmpeg -i '$file' -c:a flac $map '$dest/${file%$file_suffix}flac'";
+   ffmpeg -i "$file" -c:a flac $map "$dest/${file%$file_suffix}flac";
+done
diff --git a/scripts/transcode_opus.sh b/scripts/transcode_opus.sh
index 8ca6e3a..f3da181 100755
--- a/scripts/transcode_opus.sh
+++ b/scripts/transcode_opus.sh
@@ -16,7 +16,7 @@ done
 dir="$(pwd)"
 dest=${dir%/*}/${dir##*/}_ogg
 if [[ !(-d $dest) ]]; then
-   mkdir $dest
+   mkdir "$dest"
 fi
 
 for file in ./*.$file_suffix; do