[FIX] Address mulitple special chars in uploaded data

handler/preprocess.sh

@@ -19,8 +19,8 @@ fi
 root=$1
 echo "running preprocess.sh on root folder ${root}"
 
-echo "replace file paths that contain spaces or [@^()] characters"
-find $root -depth -name "*[ @^()]*" | parallel --linebuffer -j 6 -execdir rename "'s/[ @^()]/_/g'" "{}" \;
+echo "replace file paths that contain space, quotation, or [@^()] characters"
+find "$root" -depth -name "*[ @^()]*" -print0 | sort -rz | xargs -0 -n 1 -I {} ./rename_special_chars.sh {}
 
 echo "running expand.sh"
 ./expand.sh $root

handler/rename_special_chars.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+file="$1"
+dir=$(dirname "$file")
+base=$(basename "$file")
+new_base=$(echo "$base" | sed 's/[ @^()]/_/g')
+new_file="$dir/$new_base"
+
+if [[ "$file" != "$new_file" ]]; then
+    echo "Renaming '$file' to '$new_file'"
+    mv "$file" "$new_file"
+fi