mention temporary files (somebody should write this)

diff --git a/doc/safe-shell.mdwn b/doc/safe-shell.mdwn
index 7c9bbb38e1fa7dd27247d34c31d8c5ed82172c85..d7d6bfe91ae8b4c90656373e0c0cfc4cfc1acb62 100644 (file)
--- a/doc/safe-shell.mdwn
+++ b/doc/safe-shell.mdwn
@@ -102,6 +102,10 @@ manual](http://www.gnu.org/software/bash/manual/html_node/Special-Parameters.htm
 for details on the distinction between `$*`, `$@`, and `"$@"` — the first
 and second are rarely what you want in a safe shell script.
 
+## Temporary files
+
+TODO: mumble `mktemp`?
+
 ## Conclusion
 
 When possible, instead of writing a "safe" shell script, *use a higher-level