I remember fixing a vim plugin that did one system call per character to be received because the IPC returned some number of xml objects, not even wrapped in a

I remember fixing a vim plugin that did one system call per character to be received because the IPC returned some number of xml objects, not even wrapped in a top level one, so the plugin didn't want to block by reading past the last > until it processed everything before it. I fixed that to use non-blocking pipes and it was much better.