diff --git a/copy.sh b/copy.sh
index 9a6b1d9..829ffb4 100755
--- a/copy.sh
+++ b/copy.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
 for i in ./*.sh; do
 	shfmt -w "${i}"
-	shellcheck -o all -e SC2312 -f diff "${i}" | patch -p1
-	shellcheck -o all -e SC2312 "${i}"
+	shellcheck -o all -f diff "${i}" | patch -p1
 	i_tmp="${i##./}"
 	find /etc/cron.* -iname "${i_tmp%.sh}" | while read -r j; do
 		echo "${j}"
diff --git a/friendica-compress-storage.sh b/friendica-compress-storage.sh
index b9bf8ce..86cb88f 100755
--- a/friendica-compress-storage.sh
+++ b/friendica-compress-storage.sh
@@ -5,39 +5,50 @@ IFS="
 folder=/var/www/friendica
 storagefolder=storage
 
-loop_1() {
+loop_1(){
 	t=$(file "${p}")
-	if [[ "${t}" =~ JPEG ]]; then
+	if [[ "${t}" =~ JPEG ]]
+	then
 		nice -n 10 jpegoptim -m 76 "${p}" #&> /dev/null
-	elif [[ "${t}" =~ GIF ]]; then
+	elif [[ "${t}" =~ GIF ]]
+	then
 		nice -n 10 gifsicle --batch -O3 --lossy=80 --colors=255 "${p}" #&> /dev/null
 		#Specific compression for large GIF files
-		while [[ $(stat -c%s "${p}" || 0) -ge 512000 ]]; do
+		while [[ $(stat -c%s "${p}" || 0) -ge 512000 ]]
+		do
 			nice -n 10 gifsicle "${p}" $(seq -f "#%g" 0 2 99) -O3 --lossy=80 --colors=255 -o "${p}" #&> /dev/null
 		done
-	elif [[ "${t}" =~ PNG ]]; then
+	elif [[ "${t}" =~ PNG ]]
+	then
 		nice -n 10 oxipng -o max "${p}" #&> /dev/null
-	elif [[ "${p}" =~ Web/P ]]; then
-		#If file is not animated
-		if grep -v -q -e "ANIM" -e "ANMF" "${p}"; then
-			nice -n 10 cwebp -mt -af -quiet "${p}" -o /tmp/temp.webp #&> /dev/null
-			if [[ -f /tmp/temp.webp ]]; then
-				size_new=$(stat -c%s "/tmp/temp.webp" || 0)
-				size_original=$(stat -c%s "${p}")
-				if [[ "${size_original}" -gt "${size_new}" ]]; then
-					mv /tmp/temp.webp "${p}" #&> /dev/null
-				else
-					rm /tmp/temp.webp #&> /dev/null
-				fi
-			fi
-		fi
-	fi
+	elif [[ "${p}" =~ Web/P ]]
+	then
+                #If file is not animated
+                if [[ $(grep -v -q -e "ANIM" -e "ANMF" "${p}") ]]
+                then
+                        nice -n 10 cwebp -mt -af -quiet "${p}" -o /tmp/temp.webp #&> /dev/null
+                        if [[ -f /tmp/temp.webp ]]
+                        then
+                                size_new=$(stat -c%s "/tmp/temp.webp" || 0 )
+                                size_original=$(stat -c%s "${p}")
+                                if [[ "${size_original}" -gt "${size_new}" ]]
+                                then
+                                        mv /tmp/temp.webp "${p}" #&> /dev/null
+                                else
+                                        rm /tmp/temp.webp #&> /dev/null
+                                fi
+                        fi
+                fi
+        fi
 }
 
-find "${folder}/${storagefolder}" -depth -mindepth 2 -type f -size +50k -not -iname "index.html" | (
-	while read -r p; do
+c=0
+find "${folder}/${storagefolder}" -depth -mindepth 2 -type f -size +300k -not -iname "index.html" | (
+	while read -r p
+	do
 		loop_1 "${p}" &
-		until [[ $(jobs -r -p | wc -l) -lt $(($(getconf _NPROCESSORS_ONLN) / 2)) ]]; do
+		until [[ $(jobs -r -p | wc -l) -lt $(( $(getconf _NPROCESSORS_ONLN) / 2 )) ]]
+		do
 			wait -n
 		done
 	done
diff --git a/friendica-delete-old-users.sh b/friendica-delete-old-users.sh
index e03a1d7..5bd94da 100755
--- a/friendica-delete-old-users.sh
+++ b/friendica-delete-old-users.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 db="friendica"
+idsdownfile="/tmp/idsdown.txt"
 url=friendica.example.net
 avatarfolder=/var/www/friendica/avatar
 avatarfolderescaped=${avatarfolder////\\/}
@@ -10,7 +11,7 @@ loop() {
 	#Find the pictures in the avatar folders and delete them
 	"${dbengine}" "${db}" -N -B -q -e "select \`photo\`, \`thumb\`, \`micro\` from \`contact\` where \`id\` = ${lineb}" | while read -r photo thumb micro; do
 		#If stored in avatar folder
-		if ! grep -v -q "${url}/avatar" <(echo "${photo}"); then
+		if [[ -z $(echo "${photo}" | grep "${url}/avatar") ]]; then
 			phototrimmed=$(echo "${photo}" | sed -e "s/https:\/\/${url}\/avatar/${avatarfolderescaped}/g" -e "s/\?ts.*//g")
 			rm -rfv "${phototrimmed}"
 			thumbtrimmed=$(echo "${thumb}" | sed -e "s/https:\/\/${url}\/avatar/${avatarfolderescaped}/g" -e "s/\?ts.*//g")
diff --git a/friendica-find-missing-servers.sh b/friendica-find-missing-servers.sh
index 048740e..a23c64f 100755
--- a/friendica-find-missing-servers.sh
+++ b/friendica-find-missing-servers.sh
@@ -25,7 +25,7 @@ loop_3() {
 	#Find the pictures in the avatar folders and delete them
 	"${dbengine}" "${db}" -N -B -q -e "select \`photo\`, \`thumb\`, \`micro\` from \`contact\` where \`id\` = ${lineb}" | while read -r photo thumb micro; do
 		#If stored in avatar folder
-		if grep -v -q "${url}/avatar" <(echo "${photo}"); then
+		if $(echo "${photo}" | grep -q "${url}/avatar"); then #isavatar=$(grep -q "${url}/avatar" <<< "${photo}")
 			#if [[ -z "${isavatar}" ]]
 			phototrimmed=$(echo "${photo}" | sed -e "s/https:\/\/${url}\/avatar/${avatarfolderescaped}/g" -e "s/\?ts.*//g")
 			echo "${phototrimmed}"
diff --git a/friendica-remove-invalid-photos.sh b/friendica-remove-invalid-photos.sh
index 76ca3d0..6d6f7a7 100755
--- a/friendica-remove-invalid-photos.sh
+++ b/friendica-remove-invalid-photos.sh
@@ -42,6 +42,7 @@ until [[ $((nt + limit)) -gt ${dbcount} ]]; do
 	batch=$(("${batch}" + 1))
 	#Read lastid outside of the loop with a temporary file
 	if [[ -f /tmp/lastid && -s /tmp/lastid ]]; then
+		count=0
 		while read -r n_i nt_i lastid_i; do
 			if [[ -s "${n_i}" ]]; then
 				n="${n_i}"
@@ -115,11 +116,9 @@ until [[ $((nt + limit)) -gt ${dbcount} ]]; do
 					fi
 				fi
 				error_found=1
-				k_photo_delta="${photo//.*?ts=//}"
-				#k_photo_delta=$(echo "${photo}" | sed -e "s/.*?ts=//g")
+				k_photo_delta=$(echo "${photo}" | sed -e "s/.*?ts=//g")
 			else
-				#k_photo_original_time=$(echo "${photo}" | sed -e "s/.*?ts=//g")
-				k_photo_original_time="${photo//.*?ts=//}"
+				k_photo_original_time=$(echo "${photo}" | sed -e "s/.*?ts=//g")
 				k_photo_found_time=$(stat -c%W "${k_photo}")
 				k_photo_delta=$((k_photo_found_time - k_photo_original_time))
 			fi
diff --git a/friendica-remove-old-photos-parallel.sh b/friendica-remove-old-photos-parallel.sh
index 7e0272a..517be4f 100755
--- a/friendica-remove-old-photos-parallel.sh
+++ b/friendica-remove-old-photos-parallel.sh
@@ -8,7 +8,6 @@ folder=/var/www/friendica
 folderavatar=/var/www/friendica/avatar
 loop() {
 	#Parse each file in folder
-	folderescaped=${folder////\\/}
 	ky=$(echo "${y}" | sed -e "s/${folderescaped}/https:\/\/${url}/g" -e "s/-[0-9]*\..*\$//g")
 	f=$(sudo mariadb "${db}" -N -B -q -e "select photo from contact where photo like '${ky}%' limit 1")
 	if [[ $? -eq 0 && -z ${f} && -f ${y} ]]; then
@@ -24,7 +23,7 @@ loop() {
 date
 #Go to the Friendica installation
 cd "${folderavatar}" || exit
-#let "indexlength=37+${#url}"
+let "indexlength=37+${#url}"
 ((indexlength = 49 + ${#url}))
 sudo mariadb "${db}" -e "alter table contact add index if not exists photo_index (photo(${indexlength}))"
 n=0
@@ -34,7 +33,7 @@ sudo find "${folderavatar}" -depth -mindepth 1 -maxdepth 1 -type d | while read
 	#If the directory still exists
 	if [[ -d "${x}" ]]; then
 		folderescaped=${folder////\\/}
-		#kx=$(echo "${x}" | sed -e "s/${folderescaped}/https:\/\/${url}/g" -e "s/-[0-9]*\..*\$//g")
+		kx=$(echo "${x}" | sed -e "s/${folderescaped}/https:\/\/${url}/g" -e "s/-[0-9]*\..*\$//g")
 		if [[ -d ${x} ]]; then
 			m=0
 			while read -r y; do