Re: How to determine if a file is in use

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 03Nov2009 13:31, Donald Russell <russell.don@xxxxxxxxx> wrote:
| Another system uses FTP to drop files in a directory for me to process.
| I have a bash script to process the incoming files. The script is started by
| cron periodically.
| 
| There's a problem if the FTP transfer is still in progress because the
| process begins reading the file even though it isn't complete yet.

I liked the upload-then-rename suggested by another poster, if you can 
get this implemented.

Otherwise...

[...]
| I could also configure the ftp server to lock files being written, but that
| seems to be discouraged. (based on man vsftpd.conf)

It's not discouraged for any reason that seems to match your use case.
You've got a well defined upload area and no malicious users.
Use the lock facility! That's what it's for!

| Basically, what I want is something like
| Can I get an exclusive read on file x?
| No - skip that file, go onto the next one
| Yes - start processing that file

Do it! See above! Have you tried it?

Cheers,
-- 
Cameron Simpson <cs@xxxxxxxxxx> DoD#743
http://www.cskk.ezoshosting.com/cs/

Carpe Daemon - Seize the Background Process
        - Paul Tomblin <ab401@xxxxxxxxxxxxxxxxxxxx>

-- 
fedora-list mailing list
fedora-list@xxxxxxxxxx
To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
[Index of Archives]     [Older Fedora Users]     [Fedora Announce]     [Fedora Package Announce]     [EPEL Announce]     [Fedora Magazine]     [Fedora News]     [Fedora Summer Coding]     [Fedora Laptop]     [Fedora Cloud]     [Fedora Advisory Board]     [Fedora Education]     [Fedora Security]     [Fedora Scitech]     [Fedora Robotics]     [Fedora Maintainers]     [Fedora Infrastructure]     [Fedora Websites]     [Anaconda Devel]     [Fedora Devel Java]     [Fedora Legacy]     [Fedora Desktop]     [Fedora Fonts]     [ATA RAID]     [Fedora Marketing]     [Fedora Management Tools]     [Fedora Mentors]     [SSH]     [Fedora Package Review]     [Fedora R Devel]     [Fedora PHP Devel]     [Kickstart]     [Fedora Music]     [Fedora Packaging]     [Centos]     [Fedora SELinux]     [Fedora Legal]     [Fedora Kernel]     [Fedora OCaml]     [Coolkey]     [Virtualization Tools]     [ET Management Tools]     [Yum Users]     [Tux]     [Yosemite News]     [Gnome Users]     [KDE Users]     [Fedora Art]     [Fedora Docs]     [Asterisk PBX]     [Fedora Sparc]     [Fedora Universal Network Connector]     [Libvirt Users]     [Fedora ARM]

  Powered by Linux