Running 'runRUnitTests.R' [2s]
  Running 'test.humanReadable.R' [1s]
  Comparing 'test.humanReadable.Rout' to 'test.humanReadable.Rout.save' ...4,5c4
< gdata: Unable to load perl libaries needed by read.xls()
< gdata: to support 'XLX' (Excel 97-2004) files.
---
> gdata: read.xls support for 'XLS' (Excel 97-2004) files ENABLED.
7,12c6
< gdata: Unable to load perl libaries needed by read.xls()
< gdata: to support 'XLSX' (Excel 2007+) files.
< 
< gdata: Run the function 'installXLSXsupport()'
< gdata: to automatically download and install the perl
< gdata: libaries needed to support Excel XLS and XLSX formats.
---
> gdata: read.xls support for 'XLSX' (Excel 2007+) files ENABLED.
  Running 'test.read.xls.R' [2s]
  Running 'test.reorder.factor.R' [1s]
  Comparing 'test.reorder.factor.Rout' to 'test.reorder.factor.Rout.save' ...15,16c15
< gdata: Unable to load perl libaries needed by read.xls()
< gdata: to support 'XLX' (Excel 97-2004) files.
---
> gdata: read.xls support for 'XLS' (Excel 97-2004) files ENABLED.
18,23c17
< gdata: Unable to load perl libaries needed by read.xls()
< gdata: to support 'XLSX' (Excel 2007+) files.
< 
< gdata: Run the function 'installXLSXsupport()'
< gdata: to automatically download and install the perl
< gdata: libaries needed to support Excel XLS and XLSX formats.
---
> gdata: read.xls support for 'XLSX' (Excel 2007+) files ENABLED.
  Running 'test.write.fwf.eol.R' [1s]
  Running 'tests.write.fwf.R' [1s]
  Comparing 'tests.write.fwf.Rout' to 'tests.write.fwf.Rout.save' ...11,12c11
< gdata: Unable to load perl libaries needed by read.xls()
< gdata: to support 'XLX' (Excel 97-2004) files.
---
> gdata: read.xls support for 'XLS' (Excel 97-2004) files ENABLED.
14,19c13
< gdata: Unable to load perl libaries needed by read.xls()
< gdata: to support 'XLSX' (Excel 2007+) files.
< 
< gdata: Run the function 'installXLSXsupport()'
< gdata: to automatically download and install the perl
< gdata: libaries needed to support Excel XLS and XLSX formats.
---
> gdata: read.xls support for 'XLSX' (Excel 2007+) files ENABLED.
Running the tests in 'tests/test.read.xls.R' failed.
Complete output:
  > library(gdata)
  gdata: Unable to load perl libaries needed by read.xls()
  gdata: to support 'XLX' (Excel 97-2004) files.
  
  gdata: Unable to load perl libaries needed by read.xls()
  gdata: to support 'XLSX' (Excel 2007+) files.
  
  gdata: Run the function 'installXLSXsupport()'
  gdata: to automatically download and install the perl
  gdata: libaries needed to support Excel XLS and XLSX formats.
  
  Attaching package: 'gdata'
  
  The following object is masked from 'package:stats':
  
      nobs
  
  The following object is masked from 'package:utils':
  
      object.size
  
  The following object is masked from 'package:base':
  
      startsWith
  
  > 
  > if ( ! 'XLSX' %in% xlsFormats() )
  +   {
  +     try( installXLSXsupport() )
  +   }
  Error in system(cmd, intern = TRUE) : 
  Calls: %in% -> xlsFormats -> system
  Execution halted