Use find in posix compliant way

Author: giggio

.bashrc

@@ -1,7 +1,11 @@
 THIS_FILE="${BASH_SOURCE[0]}"
 THIS_DIR=`dirname "$THIS_FILE"`
 
-SCRIPTS=`find "$THIS_DIR" -name '*.bash' -type f -printf '%h\0%d\0%p\n' | sort -t '\0' -n | awk -F'\0' '{print $3}'`
+SCRIPTS=`find "$THIS_DIR" -name '*.bash' -type f | while read -r file; do
+  dir=$(dirname "$file")
+  depth=$(echo "$file" | tr -cd "/" | wc -c)
+  printf "%s\x1F%d\x1F%s\n" "$dir" "$depth" "$file"
+done | sort -t $'\x1F' -k2n | cut -d $'\x1F' -f3`
 for SCRIPT in $SCRIPTS; do
   # shellcheck source=/dev/null
   source "$SCRIPT"