use --binary option to create checksum files, as with text mode they fail on Windows

[maddes.b]

MD5SUM and SHA256SUM default to text mode on Linux, but as Virtualbox downloads are binaries the option "--binary" should be used. Binary checksums are marked with a star inside the checksum file. This avoids problems on other platforms, e.g. Windows, with different EOL settings (text mode).

GNU MD5SUM taken from ​http://gnuwin32.sourceforge.net/packages/coreutils.htm GNU SHASUM taken from ​http://www.perl.org/

Example:

E:\Install\Virtual\VirtualBox>dir
 Datenträger in Laufwerk E: ist WORK
 Volumeseriennummer: C299-E8FF

 Verzeichnis von E:\Install\Virtual\VirtualBox

07.09.2011  21:55    <DIR>          .
07.09.2011  21:55    <DIR>          ..
28.08.2011  01:42         9.531.572 Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack
07.09.2011  21:54               160 VirtualBox-4.1.2-73507-MD5SUMS.fail
07.09.2011  21:55               160 VirtualBox-4.1.2-73507-MD5SUMS.work
07.09.2011  21:54               224 VirtualBox-4.1.2-73507-SHA256SUMS.fail
07.09.2011  21:55               224 VirtualBox-4.1.2-73507-SHA256SUMS.work
25.08.2011  17:20        91.779.376 VirtualBox-4.1.2-73507-Win.exe
               6 Datei(en),    101.311.716 Bytes
               2 Verzeichnis(se), 67.828.355.072 Bytes frei

E:\Install\Virtual\VirtualBox>md5sum --version
md5sum (GNU coreutils) 5.3.0
Written by Ulrich Drepper and Scott Miller.

Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

E:\Install\Virtual\VirtualBox>type VirtualBox-4.1.2-73507-MD5SUMS.fail
2fed85dc3e41dc4898bb2a60d79b40f0  Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack
703fcb2737e31742b4cf085cd4dbd654  VirtualBox-4.1.2-73507-Win.exe

E:\Install\Virtual\VirtualBox>md5sum --check VirtualBox-4.1.2-73507-MD5SUMS.fail

Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack: FAILED
VirtualBox-4.1.2-73507-Win.exe: FAILED
md5sum: WARNING: 2 of 2 computed checksums did NOT match

E:\Install\Virtual\VirtualBox>type VirtualBox-4.1.2-73507-MD5SUMS.work
2fed85dc3e41dc4898bb2a60d79b40f0 *Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack
703fcb2737e31742b4cf085cd4dbd654 *VirtualBox-4.1.2-73507-Win.exe

E:\Install\Virtual\VirtualBox>md5sum --check VirtualBox-4.1.2-73507-MD5SUMS.work

Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack: OK
VirtualBox-4.1.2-73507-Win.exe: OK

E:\Install\Virtual\VirtualBox>shasum --version
5.50

E:\Install\Virtual\VirtualBox>type VirtualBox-4.1.2-73507-SHA256SUMS.fail
3bc5ad8d7082b6debeec24c40a86629bf0ad6313343532d0ad0fee4131e8f9fc  Oracle_VM_VirualBox_Extension_Pack-4.1.2-73507.vbox-extpack
dc0987219692f2d9fee90ab06ce2d2413fb620e5a00733628935be974d42c11d  VirtualBox-4..2-73507-Win.exe

E:\Install\Virtual\VirtualBox>shasum --check VirtualBox-4.1.2-73507-SHA256SUMS.fail
Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack: FAILED
VirtualBox-4.1.2-73507-Win.exe: FAILED
shasum: WARNING: 2 computed checksums did NOT match

E:\Install\Virtual\VirtualBox>type VirtualBox-4.1.2-73507-SHA256SUMS.work
3bc5ad8d7082b6debeec24c40a86629bf0ad6313343532d0ad0fee4131e8f9fc *Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack
dc0987219692f2d9fee90ab06ce2d2413fb620e5a00733628935be974d42c11d *VirtualBox-4.1.2-73507-Win.exe

E:\Install\Virtual\VirtualBox>shasum --check VirtualBox-4.1.2-73507-SHA256SUMS.work
Oracle_VM_VirtualBox_Extension_Pack-4.1.2-73507.vbox-extpack: OK
VirtualBox-4.1.2-73507-Win.exe: OK

[Frank Mehnert]

Thanks for the suggestion.

[Frank Mehnert]

Fixed with the VBox 4.1.4 release.