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Message: [QUOTE="Eric Hodel, post: 4677706"] or has occurred. For example I might have the following simple Note that rake's rm_rf is not exactly FileUtils' rm_rf Why? I expect informational messages on stderr. This way rake's messages don= 't interfere with a rake user's output. By having rake's messages on stderr a= rake task author can write tasks that can be piped to other commands. rake email | sendmail # for example (Yes, rake currently outputs a message on stdout. I have fixed that in trunk= ) ithin ant. Rake doesn't seem to return the correct error code so I was testi= ng for failure by detecting if anything was written to stderr. You should query $?, not stderr. Rake should be behaving like a standard uni= x command.=20 AFAIK rm -rf and mkdir -p always exit 0. What is your rake task that exits 0 improperly?= [/QUOTE]