> > I'm still trying to figure out how the names differ. Can you confirm > > what is output by: > > src/m4 --help | head -n1 > > It is: > Usage: C:\cygwin64\home\bruno\m4-2021-05-13\build-mingw64\src\m4.exe > [OPTION]... [FILE]...
In fact, it depends on the program that invokes src/m4. The answer I gave is valid when I use Cygwin's bash to execute the command. When I use cmd.exe, the file name is *not* made absolute. > A similar thing could be done here: > > sed -e 's|[^ ]*\\m4\.exe|m4|' -e 's|^m4\.exe|m4|' -e 's|^/cygdrive/[^ > ]*/m4|m4|' | LC_ALL=C tr -d '\r' This substitution will work, regardless how the invoking shell behaves regarding the file names. Bruno
