RE: Purging files in the IFS by date (aka which Scott Klement utility to use :)

${myvar} denotes a variable named myvar. You could also use $myvar but I
prefer to have the variables stand out. Also, you can sometimes get into
situations where you need to bump $myvar up against another variable or
constant, and only ${} syntax allows that. Since consistency is good....

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"He is so unlucky that he runs into accidents which started out to happen to
somebody else."
-- Don Marquis

-----Original Message-----

What do the ${} do?

On Thu, May 13, 2010 at 11:54 AM, Dennis Lovelady <iseries@xxxxxxxxxxxx>
wrote:

What's the currently recommended way of purging IFS files by date?

I found an old utility from Scott Klement, that comes really close

to

perfect.  The only issue is it purges everything in a given

directory,

I'd like to be able to pass a wildcard file name.  I haven't look at
it in detail, but I suspect that modifying it to process file name
wildcards would be non-trivial.  Then again, perhaps not if I can

find

an good example of comparing a wild card value to another string,
(regex perhaps? but might be overkill).

find /my_path -mtime ${PURGE_DAYS} -name "${WILDCARD_NAMES}" -exec rm

{} \;

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"Inanimate objects are classified scientifically into three major

categories

- those that don't work, those that break down, and those that get

lost."

       -- Russell Baker



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