Re: [libreoffice-users] Re: Command line (convert) parameter(s)

On 2011-06-25, Jonathan) {$@(R.)daria.co.uk (Hudson wrote:

> On Sat, 25 Jun 2011 13:58:14 +0200, lee wrote:
>
> > Tom Davies <tomdavies04@yahoo.co.uk> writes:
> >
> > > The error message is very specific.  It says "/home/lee/tmp/pdf does
> > > not exist" which means there is no file called "pdf" in the
> > > /home/lee/tmp folder.  Maybe he has missed the ending of the
> > > file-name.  Or maybe he is looking in the wrong folder.
> >
> > The message is even correct, only that's besides the point considering
> > what I was telling LO to do :)
>
> The problem is the OP used double hyphens, when LO requires a single
> hyphen, even for long options.
>
> $ libreoffice -headless -convert-to pdf foo.odt works fine.

I've seen this described with one and two hyphens. Here, GNU/Linux, help
text shows only one hyphen.

But if I'm understanding the code (also see a message in the developers
list about the change[1]), the idea is to move long options to "--".

The code (in the source tree) currently recognizes both ways (one dash
and two dashes), and just warns the one-dash way is deprecated:

,----[desktop/source/app/cmdlineargs.cxx, line 648]
|     if (bDeprecated)
|     /* ... */
|         fprintf(stderr, "Warning: %s is deprecated.  Use -%s instead.\n", sArg.getStr(), 
sArg.getStr());
`----

Also, here is the detection code (comments are mine, they're not in
the code):

,----[desktop/source/app/cmdlineargs.cxx, line 417]
|     bool bDeprecated = false;
|
|     // If this is a long option (starts with two dashes) ...
|     if (aArg.matchIgnoreAsciiCaseAsciiL(RTL_CONSTASCII_STRINGPARAM("--")))
|     {
|         // ... ignore the dashes.
|         oArg = ::rtl::OUString(aArg.getStr()+2, aArg.getLength()-2);
|     }
|
|     // Long options starting with a single dash are deprecated
|     else if (aArg.toChar() == '-')
|     {
|         // For now, ignore the dash and accept the argument, but 
|         // register the deprecated use (user will be warned later).
|         bDeprecated = true;
|         oArg = ::rtl::OUString(aArg.getStr()+1, aArg.getLength()-1);
|     }
`----

[I've not updated the source recently, so this is some days old. If
there were changes to the file, line numbers may have changed.]

Now I don't know if this is the code was used for the current builds. At
least LibreOffice 3.3.3 here does not recognize two dashes for long
options, and does not warn about single dash being deprecated.

If it isn't used for lee's build, it explains the error -- Tom is
right, I guess lee's LibO just ignored "--convert-to" and used "pdf" as
a filename to open. 

Lee, try with only one dash. (Yes, I'd not expect only a single dash for
long options, but it seems that this was, until recently, the way
LibO/OOo did it.)




[1] http://permalink.gmane.org/gmane.comp.documentfoundation.libreoffice.devel/4529

-- 
Nuno J. Silva (aka njsg)
gopher://sdf-eu.org/1/users/njsg

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