If the OP currently lacks fgrep or sort, the following may be helpful:

• gnu grep
• egrep
• tcgrep
• Perl Power Tools
• Cygwin
• The Berkeley Utilities - 40 unix commands ported to DOS
• GNU utilities for Win32
• Unix Utils for DOS
• CMD Line Tools for Windows 95/98/NT/2000/XP
• Batch File Utilities