The spirit of the tool is great! Not sure how long it takes today to start up and load classes on a JVM. The idea of using a java program regularly in the shel

The spirit of the tool is great! Not sure how long it takes today to start up and load classes on a JVM. The idea of using a java program regularly in the shell immediately makes me worry about slowness. Also, the eventual goal of supporting more formats means slower startup time as the feature set grows.