src/sample/nashorn/pgrep.js

#!/usr/bin/jjs --language=es6 

/*
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 */

// simple process grep tool

java.lang.ProcessHandle.
    allProcesses().
    filter(ph => {
        var cmd = ph.info().commandLine();
        return cmd.isPresent() && cmd.get().search(arguments[0]) != -1;
    }).
    forEach(ph => print(ph.pid() + " " + ph.info().commandLine().get()));