{"comment":{"url":"https://api.github.com/repos/lorengordon/cfn/comments/13489784","html_url":"https://github.com/lorengordon/cfn/commit/db605a59a9addb83c428495f29dc328fbc108bca#commitcomment-13489784","id":13489784,"user":{"login":"ferricoxide","id":7087031,"avatar_url":"https://avatars.githubusercontent.com/u/7087031?v=3","gravatar_id":"","url":"https://api.github.com/users/ferricoxide","html_url":"https://github.com/ferricoxide","followers_url":"https://api.github.com/users/ferricoxide/followers","following_url":"https://api.github.com/users/ferricoxide/following{/other_user}","gists_url":"https://api.github.com/users/ferricoxide/gists{/gist_id}","starred_url":"https://api.github.com/users/ferricoxide/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ferricoxide/subscriptions","organizations_url":"https://api.github.com/users/ferricoxide/orgs","repos_url":"https://api.github.com/users/ferricoxide/repos","events_url":"https://api.github.com/users/ferricoxide/events{/privacy}","received_events_url":"https://api.github.com/users/ferricoxide/received_events","type":"User","site_admin":false},"position":null,"line":null,"path":"","commit_id":"db605a59a9addb83c428495f29dc328fbc108bca","created_at":"2015-09-29T10:55:46Z","updated_at":"2015-09-29T10:55:46Z","body":"Proper declarative format to set default values on positional-argvs (as in lines 25-26):\r\n\r\n~~~\r\nVARNAME=\"${<POSITIONAL>:-<DEFAULT>}\"\r\n~~~\r\n\r\nIn general, the recommended method for signifying vars is to use curly-braces. Some shell interpreters can be more or less pedantic about this."}}