Import("env") env.Execute("gzip -9 < src/webinterface/index.html > src/webinterface/index.html.gz") env.Execute("gzip -9 < src/webinterface/timezones.json > src/webinterface/timezones.json.gz") def build(source, target, env): env.Execute("rm src/webinterface/index.html.gz src/webinterface/timezones.json.gz") env.AddPostAction("buildprog", build)