Brent Clark wrote: > Hi List Hello,
> I have a scenario / debate if you wish with my colleague. > > The problem is I have to update a CSV file and the way I do it open the > file while reading / editting it I then send it to a temp file, unlink > the original and the rename the temp > to the original file name (Baring in mind I do flock the file) > > My colleague, disagrees with my approach to this, he is adamant that I > must open the file get the file in memory and use seek etc to update the > file (also using flock etc.) > > So basically from the millisecond it takes to unlock , close, unlink, > and then rename the file, I am open to race condition. > > So my question is, whats the best what to update / amend a file. > > Your tips and or advice, would great fully be appreciated. Which operating system is this file on? Do you have ACLs or some such security to guaranty file locking? John -- use Perl; program fulfillment -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
