17 Jun 2011 Just a quick tidbit for anyone googling like I have been all morning: If you're attempting to pipe a command in a buildbot script, you need to issue it as a single string, not a list of strings. By using a single string, buildbot uses a shell, otherwise it doesn't. The > necessary for output redirection is a shell thing, which will only work in this method. To recap: f1.addStep(ShellCommand(command=['/home/www/bin/django', 'build_solr_schema', '>', '/etc/solr/conf/schema.xml'], de...