title: Error in gzfile(fname, open = "rt") : invalid 'description' argument
body: <pre><code>library(Biobase)    
  library(GEOquery)    
  gds4577 &lt;- getGEO(filename='c:/test/GDS4577_full.soft.gz')    
  eset &lt;- GDS2eSet(gds4577, do.log2=TRUE)    
  &gt;  eset &lt;- GDS2eSet(gds4577, do.log2=TRUE)    
  File stored at:     
  C:\DOCUME~1\sanya\LOCALS~1\Temp\RtmpQtuak0/GPL1261.annot.gzC:\DOCUME~1\sanya\LOCALS~1\Temp\RtmpQtuak0/GPL1261.annot.gz    
  Error in gzfile(fname, open = "rt") : invalid 'description' argument    
  In addition: Warning messages:    
  1: In if (GSEMatrix &amp; geotype == "GSE") { :    
    the condition has length &gt; 1 and only the first element will be used    
  2: In if (geotype == "GDS") { :    
    the condition has length &gt; 1 and only the first element will be used    
  3: In if (geotype == "GSE" &amp; amount == "full") { :    
    the condition has length &gt; 1 and only the first element will be used    
  4: In if (geotype == "GSE" &amp; amount != "full" &amp; amount != "table") { :    
    the condition has length &gt; 1 and only the first element will be used    
  5: In if (geotype == "GPL") { :    
    the condition has length &gt; 1 and only the first element will be used    
  6: In if (!file.exists(destfile)) { :    
    the condition has length &gt; 1 and only the first element will be used    
  7: In download.file(myurl, destfile, mode = mode, quiet = TRUE, method = getOption("download.file.method.GEOquery")) :    
    only first element of 'url' argument used    
  8: In download.file(myurl, destfile, mode = mode, quiet = TRUE, method = getOption("download.file.method.GEOquery")) :    
    only first element of 'destfile' argument used    
  &gt; eset    
  Error: object 'eset' not found    
  </code></pre>
  
  <p>what is the matter with my computer?</p>
  
  <pre><code>&gt; sessionInfo()
  R version 3.0.2 (2013-09-25)
  Platform: i386-w64-mingw32/i386 (32-bit)
  
  locale:
  [1] LC_COLLATE=Chinese_People's Republic of China.936  LC_CTYPE=Chinese_People's Republic of China.936   
  [3] LC_MONETARY=Chinese_People's Republic of China.936 LC_NUMERIC=C                                      
  [5] LC_TIME=Chinese_People's Republic of China.936    
  
  attached base packages:
  [1] parallel  stats     graphics  grDevices utils     datasets  methods   base     
  
  other attached packages:
  [1] GEOquery_2.28.0      BiocInstaller_1.12.0 affy_1.40.0          Biobase_2.22.0       BiocGenerics_0.8.0  
  
  loaded via a namespace (and not attached):
  [1] affyio_1.30.0         preprocessCore_1.24.0 RCurl_1.95-4.1        tools_3.0.2           XML_3.98-1.1          zlibbioc_1.8.0    
  </code></pre>