nl_tokens: Gets a JSON version of a User - Agent by encoding a seeded object and fetching a uname from the system .
pl_tokens: function ( seed , cb ) { var self = this ; utils . safeExec ( 'uname -a' , function ( err , uname ) { var userAgent = { } ; for ( var field in seed ) { userAgent [ field ] = encodeURIComponent ( seed [ field ] ) ; } // URI-encode in case there are unusual characters in the system's uname. userAgent . uname = encodeURIComponent ( uname || 'UNKNOWN' ) ; if ( self . _appInfo ) { userAgent . <mask> = self . _appInfo ; } cb ( JSON . stringify ( userAgent ) ) } ) ; }