Re: skinning a cat (was: Individual bulk e-mails - performance question)

Robert Cummings wrote: >> >> #!/bin/sh >> >> while true >> >> do >> >> <yourscript> >> >> sleep 300 >> >> done >> > >> > I accomplish the same with cron scripts by using locks with expiry.. >> >> got an example? my cat skinning skills need to be improved, the cat >> won't like it but screw the cat, right? > [snip code] > I implemented my own lock class which uses directory creation and the > return value to determine if the lock was successful. Unlike file > creation (or so I read several years ago) directory creation is atomic > and works across NFS. As an added benefit, I'm able to store lock > related data into the lock directory as files. I'm probably old fashioned, but to me all that stuff is way overkill. I also tend to think that synchronizing scripts is a job for the shell, not PHP. lockfile=/var/lock/<xxxx>/file # clear out a lock older than 60mins find $lockfile -cmin +60 | xargs rm test ! -f $lockfile && ( touch $lockfile <run some php> rm -f $lockfile ) /Per Jessen, Zürich