On Tue, Sep 29, 2009 at 10:55:32PM +0200, Len Conrad wrote:
> here's mine, very fast with "find":
>
> #!/bin/sh
>
> for Q in incoming active deferred hold
> do
> SIZE=`find /mail/spool/postfix/$Q -maxdepth 5 -type f | wc -l | tr -d ' '`
> dd if=/dev/zero bs=1 count=$SIZE of=/var/db/postfix/q_size_$Q
> done
> exit 0
The find(1) is less efficient than it should be, because you don't need
to lstat(2) the files as with "-type f". All the sub-directories of
the queues have single-letter names, and all the queue-files have
multi-letter names. With a POSIX shell, avoid the `cmd` construct.
n=$$( $(find /var/spool/postfix/$Q ! -name "?" ! | wc -l) - 1 )
--
Viktor.
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