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//proc/thread-self/root/usr/share/doc/node-yargs/examples/count.js
#!/usr/bin/env node var argv = require('yargs') .count('verbose') .alias('v', 'verbose') .argv; VERBOSE_LEVEL = argv.verbose; function WARN() { VERBOSE_LEVEL >= 0 && console.log.apply(console, arguments); } function INFO() { VERBOSE_LEVEL >= 1 && console.log.apply(console, arguments); } function DEBUG() { VERBOSE_LEVEL >= 2 && console.log.apply(console, arguments); } WARN("Showing only important stuff"); INFO("Showing semi-important stuff too"); DEBUG("Extra chatty mode");