Add quiet flag to suppress dotenv debug output by default

.gitignore

@@ -1 +1,2 @@
 node_modules
+.env

cli.js

@@ -9,9 +9,10 @@ const dotenvExpand = require('dotenv-expand').expand
 
 function printHelp () {
   console.log([
-    'Usage: dotenv [--help] [--debug] [-e <path>] [-v <name>=<value>] [-p <variable name>] [-c [environment]] [--no-expand] [-- command]',
+    'Usage: dotenv [--help] [--debug] [--quiet=false] [-e <path>] [-v <name>=<value>] [-p <variable name>] [-c [environment]] [--no-expand] [-- command]',
     '  --help              print help',
     '  --debug             output the files that would be processed but don\'t actually parse them or run the `command`',
+    '  --quiet, -q         suppress debug output from dotenv (default: true)',
     '  -e <path>           parses the file <path> as a `.env` file and adds the variables to the environment',
     '  -e <path>           multiple -e flags are allowed',
     '  -v <name>=<value>   put variable <name> into environment using value <value>',
@@ -31,6 +32,9 @@ if (argv.help) {
 
 const override = argv.o || argv.override
 
+// Handle quiet flag - default is true (quiet), can be disabled with --quiet=false or -q=false
+const isQuiet = !(argv.quiet === false || argv.q === false || argv.quiet === 'false' || argv.q === 'false')
+
 if (argv.c && override) {
   console.error('Invalid arguments. Cascading env variables conflicts with overrides.')
   process.exit(1)
@@ -81,14 +85,14 @@ if (argv.debug) {
 }
 
 paths.forEach(function (env) {
-  dotenv.config({ path: path.resolve(env), override })
+  dotenv.config({ path: path.resolve(env), override, quiet: isQuiet })
 })
 
 // Expand when all path configs are loaded
 if (argv.expand !== false) {
   dotenvExpand({
     parsed: process.env
-  });
+  })
 }
 Object.assign(process.env, parsedVariables)