diff --git a/tasks/configure_processing_user.yml b/tasks/configure_processing_user.yml
index a4295762ed58d83ee5fb5006dfee8298f1bf477c..9a5b7a63425f9c671641b90af943ce0ce65ff261 100644
--- a/tasks/configure_processing_user.yml
+++ b/tasks/configure_processing_user.yml
@@ -102,8 +102,10 @@
       alias verify_bag='perl -e '\''use Archive::BagIt; my $bag = Archive::BagIt->new(".")->verify_bag( {report_all_errors => 1} );'\''; echo $?'
       alias block_subapp='echo "SubApp must not run, startup is blocked manually by an administrator. This file is here for a reason! Only remove it after consultation!" > ~/.subapp/BLOCKFILE'
       alias unblock_subapp='rm -f ~/.subapp/BLOCKFILE'
-      alias list_quarantine='for sip in $(ls -t ~/.subapp/quarantine); do echo "$sip# => $(head -n 1 ~/.subapp/quarantine/$sip/sip.ERROR), $(head -n 3 ~/.subapp/quarantine/$sip/sip.ERROR | tail -n 1)"; done | column -s "#" -t'
-      alias list_quarantine_full='for sip in $(ls -t ~/.subapp/quarantine); do echo -e "$sip# ($( stat -c %y ~/.subapp/quarantine/$sip/sip.ERROR ))# => $(cat ~/.subapp/quarantine/$sip/sip.ERROR)\n===\n"; done | column -s "#" -t'
-      alias quarantine_summary='echo -e "$( ls ~/.subapp/quarantine/ | wc -l ) SIPs in quarantine.\n"; for sip in $(ls -t ~/.subapp/quarantine/); do echo "$( du -sh /mnt/import/${sip} ),# $( stat -c %y ~/.subapp/quarantine/$sip/sip.ERROR ),# $( find /mnt/import/${sip}/ -type f | wc -l) files"; done | column -s "#" -t'
-      alias quarantine_size='sum=0; for dir in $(find ~/.subapp/quarantine/ -name "sip.bagit"); do if [[ -d $(realpath ${dir}) ]]; then sum=$((sum+$(du -s $(realpath ${dir}) | cut -f1))); else echo "broken Q-Link: ${dir}"; fi; done; echo "$((sum/1024)) MiB in quarantine."'
+
+      alias list_quarantine='readarray -d "" sips < <(find ~/.subapp/quarantine -mindepth 1 -maxdepth 1 -print0 -type d); for sip in "${sips[@]}"; do echo "$sip# => $(head -n 1 "$sip/sip.ERROR"),$(head -n 3 "$sip/sip.ERROR" | tail -n 1)"; done | column -s "#" -t'
+      alias list_quarantine_full='readarray -d "" sips < <(find ~/.subapp/quarantine -mindepth 1 -maxdepth 1 -print0 -type d); for sip in "${sips[@]}"; do echo -e "$sip# ($( stat -c %y "$sip/sip.ERROR" ))# => $(cat "$sip/sip.ERROR")\n===\n"; done | column -s "#" -t'
+      alias quarantine_size='sum=0; readarray -d "" sips < <(find ~/.subapp/quarantine/ -name "sip.bagit" -print0); for dir in "${sips[@]}"; do if [[ -d "$(realpath "${dir}")" ]]; then sum=$((sum+$(du -s "$(realpath "${dir}")" | cut -f1))); else echo "broken Q-Link: ${dir}"; fi; done; echo "$((sum/1024)) MiB in quarantine."'
+      alias quarantine_summary='echo -e "$( ls ~/.subapp/quarantine/ | wc -l ) SIPs in quarantine.\n"; readarray -d "" sips < <(find ~/.subapp/quarantine -mindepth 1 -maxdepth 1 -print0 -type d); for sip in "${sips[@]}"; do sip="$(basename "${sip}")"; echo "$( du -sh "/mnt/import/${sip}" ),# $( stat -c %y "~/.subapp/quarantine/${sip}/sip.ERROR" ),# $( find "/mnt/import/${sip}/" -type f | wc -l) files"; done | column -s "#" -t'
+
       alias next='/usr/bin/perl -I /usr/local/perl/ /usr/local/bin/subapp_bagit.pl --config-file /home/processing/.subapp/subapp.cfg --single_run; echo "################# LOG #####################"; echo "last 10 lines..."; tail -n 10 /var/log/subapp/sips.log; echo "################# PROBLEMS #####################"; START=$( grep -n "starting..." /var/log/subapp/subapp.log | tail -1 | cut -f1 -d: ); ALL_LINES=$( wc -l < /var/log/subapp/subapp.log ); let LINES=$ALL_LINES-$START; echo "checking last $LINES log lines..."; tail -n $LINES /var/log/subapp/subapp.log | grep --color -e "\[ERROR\]" -e "\[FATAL\]" -e "\[WARN\]"'