David Vergin wrote: > sed 's/F:\\/C:\\/g' pugs.exe > pugsfixed.exe
That should work fine, except for the problems of line endings. The cygwin build system itself uses something along the lines of the following to modify a binary file. perl -pe 'BEGIN{binmode(STDIN); binmode(STDOUT);}; s/F:\\/C:\\/g' \ < input > output Brian -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/