list files containing tab characters with sfk scantab for Windows, Mac OS X and Linux.

sfk scantab [-quiet] dir [mask] [-pure]

list files containing tabs.

options
   -quiet   do not list filenames, show only statistics.
   -pure    list only filenames, but no statistics.

return codes for batch files
   0 = no tabs, 1 = tabs found, >1 = error occurred.

web reference
   http://stahlworks.com/sfk-scantab

examples
   sfk scantab mydir
      list all text files with tabs in mydir.
Example output:

   list of files containing tabs:
   testfiles\Formats\01-native-tab-crlf.txt
   testfiles\Formats\02-crlf.txt
   testfiles\Formats\03-native-tab-lf.txt
   testfiles\Formats\04-lf.txt
   testfiles\Formats\08-head-tail.txt
   testfiles\Formats\20-tab-data-line.txt
   testfiles\Formats\23-filt-patterns.txt
   7 files of 81 contain tabs.