On Tuesday 16 December 2008, Doriano Blengino wrote:
> Ron_1st ha scritto:
> > On Tuesday 16 December 2008, wig wrote:
> >   
> >>  sImport = "< " & Application.Path & "/mytables.sql"
> >>
> >>  EXEC ["mysql", sUser, sPassword, sHost, sDatabase, sImport]
> >>
> >>     
> >
> >   sImport = "< "
> >   sSqlFile = Application.Path & "/mytables.sql"
> >
> >   EXEC ["mysql", sUser, sPassword, sHost, sDatabase, sImport, sSqlFile ]
> >
> > Every item on the line for EXEC should be a seprate item in the array.
> > The "<" is a seperate item/part of the line, it has space on both adjacent 
> > sides!
> >   
> No,
> 
> the "<" construct is a shell construct, not a linux/unix one. It is 
> /bin/sh, or whatever, which interprets this notation and does a lot of 
> job about it.
> The gambas SHELL instruction calls /bin/sh, which is powerful 
> (environment, PATH search, redirection and much more), so you can use 
> all its features.
> 
> EXEC calls the unix system call execXX() (there are various) which are 
> faster but not as powerful as /bin/sh.
> 
> I think the most notably differences are:
> 1. Using SHELL you specify the command to execute as you would do on the 
> command line. ls is ls, and fdisk is fdisk. In EXEC, you *must* specify 
> the correct path: /bin/ls, /sbin/fdisk... - Linux won't search the file 
> for you. EXEC ["mysql", ...] can not work.
> 
> 2. Again, parameters and constructs of SHELL are the same as those in 
> the command line; you can use < > | and so on, and must quote words 
> which contain spaces and other special chars. Using EXEC you don't have 
> (well, you must not) quote parameters. and you don't have /bin/sh 
> constructs.
> 
> Regards,
> 

Thanks for explaination.

When I do understand it correct the error in the line
> >   EXEC ["mysql", sUser, sPassword, sHost, sDatabase, sImport, sSqlFile ]
is the missing path for "mysql" (?)


Best regards
Ron_1st

 

------------------------------------------------------------------------------
SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada.
The future of the web can't happen without you.  Join us at MIX09 to help
pave the way to the Next Web now. Learn more and register at
http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/
_______________________________________________
Gambas-user mailing list
Gambas-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/gambas-user

Reply via email to