diff --git a/images_resize.sh b/images_resize.sh
index e3991f7..48a60c1 100755
--- a/images_resize.sh
+++ b/images_resize.sh
@@ -7,8 +7,8 @@
 
 echo "Resizing large JPGs in $(pwd)"
 
-for f in $(find . -regextype posix-egrep -regex ".*\.(jpg|JPG|JPEG|jpeg)$")
-#echo "Resizing $(f)" 
+find . -regextype posix-egrep -regex ".*\.(jpg|JPG|JPEG|jpeg)$" -print0 | while IFS= read -r -d '' f
+#echo "Resizing $(f)"
 #do   mogrify -resize 2800000@@\> -sampling-factor 4:2:0 -strip -quality 85% -colorspace RGB $f
 do   ~/Applications/magick "$f" -resize 8000000@@\> -sampling-factor 4:2:0 -strip -quality 85%  "$f"
 done
diff --git a/images_resize_recursive.sh b/images_resize_recursive.sh
index 9519874..8240490 100755
--- a/images_resize_recursive.sh
+++ b/images_resize_recursive.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-for f in ./**
+find . -mindepth 1 -type d -print0 | while IFS= read -r -d '' f
 do
     pushd "$f"
     ~/images_resize.sh
diff --git a/rar2zip.sh b/rar2zip.sh
index c33f436..bc866a8 100755
--- a/rar2zip.sh
+++ b/rar2zip.sh
@@ -10,30 +10,52 @@ echo "Converting RARs to ZIPs"
 # Use RAM disk for temporary files.
 WORKDIR="/dev/shm/"
 
+# Cleanup function
+cleanup_temp() {
+    if [ -n "$TEMPDIR" ] && [ -d "$TEMPDIR" ]; then
+        rm -r "$TEMPDIR"
+    fi
+}
+
 for INFILE in "$@"; do
     # Absolute path to old file
-    OLDFILE=`realpath "${INFILE}"`
+    OLDFILE=$(realpath "${INFILE}")
 
     # Get the file name without the extension
-    BASENAME=`basename "${OLDFILE%.*}"`
+    BASENAME=$(basename "${OLDFILE%.*}")
 
     # Path for the file. The ".zip" file will be written there.
-    DIRNAME=`dirname "$OLDFILE"`
+    DIRNAME=$(dirname "$OLDFILE")
 
     # Name of the .zip file
     NEWNAME="${DIRNAME}/$BASENAME.zip"
 
     if [ ! -e "${NEWNAME}" ]; then
         # Set name for the temp dir. This directory will be created under WORKDIR
-        TEMPDIR=`mktemp -p "$WORKDIR" -d`
+        TEMPDIR=$(mktemp -p "$WORKDIR" -d)
+
+        # Set up cleanup trap
+        trap cleanup_temp EXIT INT TERM
 
         # Create a temporary folder for unRARed files
         echo "Extracting $OLDFILE"
-    
-        rar x "$OLDFILE" "${TEMPDIR}/"
+
+        if ! rar x "$OLDFILE" "${TEMPDIR}/"; then
+            echo "Error: Failed to extract $OLDFILE"
+            cleanup_temp
+            continue
+        fi
 
         # Zip the files with maximum compression
-        7z a -tzip -mx=9 "$NEWNAME" "${TEMPDIR}/*"
+        pushd "$TEMPDIR" > /dev/null
+        if ! 7z a -tzip -mx=9 "$NEWNAME" ./*; then
+            echo "Error: Failed to create ZIP for $BASENAME"
+            popd > /dev/null
+            cleanup_temp
+            continue
+        fi
+        popd > /dev/null
+
         # Alternative. MUCH SLOWER, but better compression
         # 7z a -mm=Deflate -mfb=258 -mpass=15 -r "$NEWNAME" *
 
@@ -41,7 +63,8 @@ for INFILE in "$@"; do
         touch -r "$OLDFILE" "$NEWNAME"
 
         # Delete the temporary directory
-        rm -r "$TEMPDIR"
+        cleanup_temp
+        trap - EXIT INT TERM
 
         # OPTIONAL. Safe-remove the old file
         #gio trash "$OLDFILE"
diff --git a/rar2zip_images.sh b/rar2zip_images.sh
index f70e3d5..1bb755a 100755
--- a/rar2zip_images.sh
+++ b/rar2zip_images.sh
@@ -1 +1,2 @@
+#!/bin/bash
 find /media/rewt/media/images/ -name '*.rar' -exec ~/rar2zip.sh '{}' \;
diff --git a/rar2zip_incomplete.sh b/rar2zip_incomplete.sh
index dd901d3..115b951 100755
--- a/rar2zip_incomplete.sh
+++ b/rar2zip_incomplete.sh
@@ -1 +1,2 @@
+#!/bin/bash
 find /media/rewt/media/incomplete/ -name '*.rar' -exec ~/rar2zip.sh '{}' \;
diff --git a/zip_images_recursive.sh b/zip_images_recursive.sh
index 072dd67..dd8bd1c 100755
--- a/zip_images_recursive.sh
+++ b/zip_images_recursive.sh
@@ -28,10 +28,8 @@ if [ -n "$jpgs" ]; then
 fi
 
 
-for subd in *; do
-    if [ -d "${subd}" ]; then
-        pushd "${subd}"
-        ~/zip_images_recursive.sh "${directoryTree}"
-        popd
-    fi
+find . -mindepth 1 -maxdepth 1 -type d -print0 | while IFS= read -r -d '' subd; do
+    pushd "${subd}"
+    ~/zip_images_recursive.sh "${directoryTree}"
+    popd
 done
diff --git a/zip_images_resize.sh b/zip_images_resize.sh
index e7ed865..57ca00a 100755
--- a/zip_images_resize.sh
+++ b/zip_images_resize.sh
@@ -10,38 +10,59 @@ echo "Resizing large JPGs in ZIPs"
 # Use RAM disk for temporary files.
 WORKDIR="/dev/shm/"
 
+# Cleanup function
+cleanup_temp() {
+    if [ -n "$TEMPDIR" ] && [ -d "$TEMPDIR" ]; then
+        rm -r "$TEMPDIR"
+    fi
+}
+
 for INFILE in "$@"; do
     # Absolute path to old file
-    #OLDFILE=`realpath "${INFILE}"`
+    #OLDFILE=$(realpath "${INFILE}")
     OUTFILE="${INFILE%.zip}-compress.zip"
 
-    if [ ! -e "${OUTFILE}" ]; then
+    # Remove output file if it already exists
+    if [ -e "${OUTFILE}" ]; then
         rm "${OUTFILE}"
     fi
-    # Set name for the temp dir. This directory will be created under WORKDIR
-    TEMPDIR=`mktemp -p "$WORKDIR" -d`
 
-    # Create a temporary folder for unRARed files
+    # Set name for the temp dir. This directory will be created under WORKDIR
+    TEMPDIR=$(mktemp -p "$WORKDIR" -d)
+
+    # Set up cleanup trap
+    trap cleanup_temp EXIT INT TERM
+
+    # Create a temporary folder for unzipped files
     echo "Extracting $INFILE"
-    
+
     # extract files from zip
-    unzip  "$INFILE"  -d "$TEMPDIR" # -j to junk directories
+    if ! unzip "$INFILE" -d "$TEMPDIR"; then
+        echo "Error: Failed to extract $INFILE"
+        cleanup_temp
+        continue
+    fi
 
     # resize
     #convert '${TEMPDIR}/*.jpg' -set filename:fn '%[basename]' -resize 2800000@@\> -sampling-factor 4:2:0 -strip -quality 85% -colorspace RGB '%[filename:fn].jpg'
 
-    pushd "$TEMPDIR"
+    if ! pushd "$TEMPDIR" > /dev/null; then
+        echo "Error: Failed to change to temp directory"
+        cleanup_temp
+        continue
+    fi
     ~/images_resize.sh
-    popd
+    popd > /dev/null
 
     # Zip the files with no compression
-    7z a -tzip -mx=0 "$OUTFILE" "${TEMPDIR}/*"
-
-    if [ $? -ne 0 ]; then
-        echo Exiting
-        exit 1
+    pushd "$TEMPDIR" > /dev/null
+    if ! 7z a -tzip -mx=0 "$OUTFILE" ./*; then
+        echo "Error: Failed to create ZIP"
+        popd > /dev/null
+        cleanup_temp
+        continue
     fi
-
+    popd > /dev/null
 
     # Alternative. MUCH SLOWER, but better compression
     # 7z a -mm=Deflate -mfb=258 -mpass=15 -r "$NEWNAME" *
@@ -52,7 +73,8 @@ for INFILE in "$@"; do
     mv "$OUTFILE" "$INFILE"
 
     # Delete the temporary directory
-    rm -r "$TEMPDIR"
+    cleanup_temp
+    trap - EXIT INT TERM
 
     # OPTIONAL. Safe-remove the old file
     #gio trash "$OLDFILE"
diff --git a/zip_images_resize_recursive.sh b/zip_images_resize_recursive.sh
index f2cc0ca..2299247 100755
--- a/zip_images_resize_recursive.sh
+++ b/zip_images_resize_recursive.sh
@@ -1,5 +1,3 @@
 #!/bin/bash
-IFS=$'\n'; set -f
-find . -iname *.zip -exec ~/zip_images_resize.sh '{}' \;
-unset IFS; set +f
+find . -iname '*.zip' -exec ~/zip_images_resize.sh '{}' \;