-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jay Savage a écrit : > On 2/16/06, David Prévot <[EMAIL PROTECTED]> wrote:
[...] >>I have a program that works with Linux and want it to be used with W$. >>It puts a big Hash (~1,500,000 keys) in a db in order to be used by an >>other program, the same lines in each program to call it: >> >>my (%tableville); >>dbmopen(%tableville,"tablebis",0644) or die($!); [...] >>The problem is the format of the database : it is not the same for Linux >>and Active Perl... >>My question is : is there a db format I can use with Linux and Active >>Perl ? If yes, how can I call it with the tie() function ? (I made some >>try but I coudn't make it work under W$). >> >>I tried a part of my programs under W$, it works, but I would prefer not >>to calculate a W$ version and a Linux version (and perhaps a Mac >>version) of the database, that tooks about one hour to calculate with a >>non graphical terminal (I have no idea how much time it would take under >>W$, but I'm afraid it would bug before it ends). >> >>Sorry if my English is not good, I would accept reply in French ;) >> >>Thanks in advance. >> >>David > > > What's the problem? You haven't given us an error message. The sample > code works fine on both platforms for me. > Your right, it works in an Independant way. But there is no error message, and no results when I want to share the same database (sorry if I wasn't clear enough in my explenations). > If you're trying to share the same database file between platforms, > that's a different story. Different OS use different DBM by default. > Linux uses GDBM, Windows uses--I think--NDBM or SDBM, and OS X > probably uses NDBM or GDBM. The way around this is to make sure you're > losing the lowest common denominator DBM, SDBM, which is the slowest > and least versatile of the options, but is included with the deafult > Perl installation on all platforms. > > use SDBM_File; > dbmopen(...); > That works on a little try, I am going to calculate the big database I want to use with this option to validate it on my computer. > You may still have problems with encodings and line-endings, and > you'll have issues switching between different processor types, > because most DBM implentations are byte-order specific. An intel > machine, whether BSD, Windows or Linux, can't read a dbm files from > PPC machines, whether they're running OS X or Linux. The only truly > portable DBM code would use DB_File, but you'll have to make sure that > Sleepycat's DB is installed in a standard location on every machine > you want to run the script. > > Your best bet is going to be using something like MySQL, Postgres, or > even SQLite, which are designed to be architecture-independant. > I want this program to be used by different persons that doesn't use Perl, I think it would be enough difficult to make them install Active Perl. That's why I am looking for a simple way to do it, even if that's a bit longer to execute. I gonna test if it's not to long... > HTH, > > -- jay > -------------------------------------------------- > This email and attachment(s): [ ] blogable; [ x ] ask first; [ ] > private and confidential Thanks for all David -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFD9RJm18/WetbTC/oRAkVPAJ0U/kj+jJtIg+xhGnHC9B8rS3CCdwCdFlMs IhMqKCGi0AuekRs9xfSz2dg= =WRub -----END PGP SIGNATURE----- -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
