8068036: assert(is_available(index)) failed in G1 cset
Summary: Some verification code iterated over the heap using the region mapping array. This is not allowed. Changed to use the regular iteration method with closure.
Reviewed-by: jwilhelm, brutisso
#nashorn word histogram of a file
/*
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/*
* This example demonstrates how to print word histogram
* of a given text file using regex, array and JSON
* functions.
*/
if (arguments.length < 1) {
print("Usage: jjs -scripting word_histogram.js -- <file>");
exit(1);
}
var obj = {};
readFully(arguments[0]).
split(/[^\w+]/).
forEach(function(x)
(x in obj? obj[x]++ : obj[x] = 1));
print(JSON.stringify(obj));