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#!/usr/bin/env node
global.util = require("util");
var argv = require('optimist').argv,
cleanCss = require('cleancss'),
fs = require('fs');
var options = {
source: null,
target: null
};
var cleanOptions = {};
if (argv.o) options.target = argv.o;
if (argv._) options.source = argv._[0];
if (argv.e) cleanOptions.removeEmpty = true;
if (argv.h || argv.help) {
global.util.print('Usage: cleancss [-e] -o <output-file> <input-file>\n');
process.exit(0);
}
if (options.source) {
fs.readFile(options.source, 'utf8', function(error, text) {
if (error) throw error;
output(cleanCss.process(text));
});
} else {
var stdin = process.openStdin();
stdin.setEncoding('utf-8');
var text = '';
stdin.on('data', function(chunk) { text += chunk; });
stdin.on('end', function() { output(cleanCss.process(text, cleanOptions)); });
}
function output(cleaned) {
if (options.target) {
var out = fs.createWriteStream(options.target, { flags: 'w', encoding: 'utf-8', mode: 0644 });
out.write(cleaned);
out.end();
} else {
process.stdout.write(cleaned);
}
};
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