C:\sisyphusion\Unicode-LineBreak-2013.11>pwhich ar.exe
C:\_64\strawberry5.18.2\c\bin\ar.exe

C:\sisyphusion\Unicode-LineBreak-2013.11>pwhich ar
C:\_64\strawberry5.18.2\c\bin\ar.EXE

C:\sisyphusion\Unicode-LineBreak-2013.11>perl -MDigest::MD5::File=file_md5_hex -e "print file_md5_hex(q{C:/_64/strawberry5.18.2/c/bin/ar.exe})";
cc088517b6edf56b4e7b643dde58d6b7