title: Can the function getSymbols() take a variable instead of the ticker itself?
body: <p>I want to loop through a CSV of some companies tickers and download their respective ticker data.</p>
  
  <p>So far I have defined the variable 'ticker' as follows:</p>
  
  <pre><code>ticker &lt;- companyList[1, 'Symbol']
  </code></pre>
  
  <p>when I print 'ticker' to the screen, it shows the 1st stocks ticker perfectly fine, but when I try to pass the ticker variable into quantmod's getSymbols function, I get an error.</p>
  
  <pre><code>getSymbols(ticker)
  Error in do.call(paste("getSymbols.", symbol.source, sep = ""), list(Symbols =   current.symbols;  : 
   could not find function "getSymbols.940"
  </code></pre>
  
  <p>Is there an error in my syntax? Is there another way to go about doing this? Any book reccomendations?</p>