-mkdir -p "$TMPDIR/a"
-mkdir -p "$TMPDIR/b"
-cp -l "$1" "$TMPDIR/a/file.pdf";
-if [ -e "${1}.annot" ]; then
- cp "$1" "$TMPDIR/b/file.pdf";
+mkdir -p "$TMPDIR/a" "$TMPDIR/b" "$TMPDIR/c"
+PDF_FILE="$(realpath "$1")"
+ANNOT_FILE="$(realpath "${1}.annot")"
+cp -l "$PDF_FILE" "$TMPDIR/a/file.pdf";
+if [ -e "$ANNOT_FILE" ]; then
+ cp "$PDF_FILE" "$TMPDIR/b/file.pdf";