A Utility that creates .SFV (Simple File Verify)

Larry Hall (Cygwin) reply-to-list-only-lh@cygwin.com
Thu Apr 26 20:24:00 GMT 2007

robert_neville310 wrote:
> On Thu, 26 Apr 2007 08:10:14 -0400, "Larry Hall (Cygwin)" <> wrote:
>> robert_neville310 wrote:
>>> I would like to develop a script that verifies check sums/crc found in sfv files. 
>>> Sfv are used to verify whether downloads contain the same fingerprint as the files on the server. 
>>> Please let me know any cygwin-ports that may aid in verifying sfv. My Google search only returned
>>> these Unix tools; cksfv, puresfv, and cfv. But I did not find any cygwin-ports.  Please let me know
>>> if tools exist under cygwin or how one would compile one of these tools for use with cygwin (btw I
>>> am fairly new to cygwin).
>>> http://pure-sfv.sourceforge.net/
>>> http://freshmeat.net/projects/cksfv/
>>> http://cfv.sourceforge.net/
>> <http://www.google.com/search?q=cksfv+cygwin&ie=utf-8&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a>
>> The first hit here has a report that sounds encouraging for cksfv.  Didn't
>> Google for the others you listed above, though I expect something similar
>> for each.  Maybe there are pre-built binaries out there if you look hard
>> enough.  But it sounds like a simple 'make' will build it.
> As mentioned in the previous post, I have never compiled any application under cygwin. So a learning
> curve exists for me, thus these questions come to mind. According to the cksfv page, a comment
> mentions compiling the source for use under Windows, yet I am not familiar with these tools. Here's
> an excerpt from the comment.
> "compile on Windows using gcc, mingw and GNU make from Cygwin (standard install, no other settings
> required) and I can tell that it works like a snap :-)
> The only needed dependency will be cygwin1.dll so the Windows binary version could even be
> distributed too."
> What is gcc and how do you install it?

'gcc' is the compiler.  Run 'setup.exe' and install the "gcc-g++" or more
simply just install the entire "Devel" category.

> What is mingw and how do you install?

mingw is the Windows-targeted version of the compiler tools.  It doesn't
use Cygwin.  You can install the Cygwin-provided pseudo cross-compiler by
installing the "gcc-mingw-g++" package or the entrie "Devel" category.

> What is cygwin1.dll and how to you get it?

See <http://cygwin.com/> for a definition.  Again, install with 'setup.exe'.

> What is the difference between make and gmake?

The name.

> As far I can tell, I have ggc[sic], make, cygwin1.dll on my cygwin installation.

Then perhaps you are already there.

Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746


A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email?

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