title: R using get() inside colnames
body: <p>i have a general item string:</p>
  
  <pre><code>item='shoes'
  </code></pre>
  
  <p>then i use:</p>
  
  <pre><code>assign(paste0(item,'_list'),lapply(etc))
  
  assign(paste0(item,'_df'),sapply(etc)) 
  </code></pre>
  
  <p>then i want to change the colnames of the data-frame
  with the names inside a character vector:</p>
  
  <pre><code>v=c('a','b','c')
  </code></pre>
  
  <p>i try to do:</p>
  
  <pre><code>colnames(get(paste0(item,'_df'))=v
  </code></pre>
  
  <p>bu i have the:</p>
  
  <pre><code>could not find function "get&lt;-"
  </code></pre>
  
  <p>error</p>