initial commit

.gitignore

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+node_modules

genTestLog.js

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+var fs = require('fs');
+var yargs = require('yargs');
+var INTERVAL = (Number(yargs.argv.i || yargs.argv.interval || process.argv[2]) || 1) * 1000 || 1000;
+var TIMER_DELAY = Number(yargs.argv.t || yargs.argv.timerDelay ||process.argv[3]) || 0;
+var i = 0;
+
+var newLine = false;
+//console.log('INTERVAL',INTERVAL,'TIMER_DELAY',TIMER_DELAY)
+setInterval(() => {
+  newLine = true;
+  i++;
+  fs.appendFile('log.txt', `${i} content\n`, function(err) {
+    if (err) throw err;
+    //console.log(`${i} -- Saved!`);
+  });
+}, INTERVAL);
+
+var cur_interval = 0;
+
+setInterval(() => {
+  cur_interval++;
+  process.stdout.write(`-${cur_interval}-`);
+  if (newLine) {
+    console.log(i);
+    cur_interval = 0;
+  }
+  newLine = false;
+}, TIMER_DELAY);
+
+
+
+
+
+//generates a test log file
+yargs.command(['[interval]', '[i]'], 'Integer describing how often to run the update in seconds.', (yargs) => {
+    yargs
+      .positional('interval', {
+        describe: 'Integer describing how often to run the update',
+        default: 1
+      });
+
+  }, (argv) => {
+    if (argv.verbose) console.info(`start server on :${argv.port}`)
+    serve(argv.port)
+  })
+  .command(['[timerDelay]', '[t]'], 'Integer describing how often show the progress in seconds', (yargs) => {
+    yargs
+    .positional('timerDelay', {
+      describe: 'Integer describing how often show the progress in seconds',
+      default: 1
+    })
+
+  }, (argv) => {
+    if (argv.verbose) console.info(`start server on :${argv.port}`)
+    serve(argv.port)
+  })
+  .option('timerDelay', {
+    alias: 't',
+    type: 'number',
+    description: 'Integer describing how often show the progress in seconds'
+  })
+  .option('interval', {
+    alias: 'i',
+    type: 'number',
+    description: 'Integer describing how often to run the update in seconds'
+  })
+  .argv

log.txt

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+48 content
+1 content
+2 content
+3 content

package.json

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+{
+  "name": "diff-test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "genTestLog.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "yargs": "^14.2.0"
+  }
+}