remove -r flag - now assumed to be first (unnamed) argument

CHANGELOG.md

@@ -1,5 +1,6 @@
 0.3.0 / 2014-07-20
 ==================
+  * `-r` flag is removed, now assumed the only unnamed argument
   * Rewrite so it can be used as a library:
     - package.json location is now fully asynchronous
     - library simply works out the commands like a -d dryrun

README.md

@@ -16,7 +16,7 @@ Install, then run in the directory containing all your repos that youd like to l
 
 ```bash
 npm install -g symlink
-symlink -r repoDir
+symlink repoDir
 ```
 
 ## What it does
@@ -39,7 +39,7 @@ When I reinstall my linux, I git clone all my repos and let symlink figure out a
 
 ```
 # NB: for readability the full paths have been shortened
-kjttks@clux ~/repos $ symlink -r . -g tap -d
+kjttks@clux ~/repos $ symlink . -g tap -d
 [
  "cd ./blog && npm install marked ecstatic promzard async browserify ejs",
  "cd ./blog && npm link",

bin.js

@@ -1,16 +1,15 @@
 #!/usr/bin/env node
 var argv = require('optimist')
-  .usage('Usage: $0 [-d] -r repoDir [-g globals]')
+  .usage('Usage: $0 repoDir [-d] [-g globals]')
   .describe('g', 'globally-link')
   .boolean('d')
   .describe('d', 'dry-run')
-  .demand(['r'])
-  .describe('r', 'repoDir')
+  .demand(1)
   .argv;
 
 // can do multiple -g globX chains
 var globals = argv.g ? (Array.isArray(argv.g) ? argv.g : [argv.g]): []
-var dir = require('path').join(process.cwd(), argv.r);
+var dir = require('path').join(process.cwd(), argv._[0]);
 var cp = require('child_process');
 var async = require('async');