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Full Discussion: Can you use find with ps or doing find excluding file in use
Top Forums Shell Programming and Scripting Can you use find with ps or doing find excluding file in use Post 302981232 by newbie_01 on Thursday 8th of September 2016 04:18:04 PM
Old 09-08-2016
Can you use find with ps or doing find excluding file in use
Hi,

I am currently using the find below to remove old files. I am redirecting the listing to a file and then use a while-loop and do a rm

Code:
cd ${directory}
find . \( ! -name . -prune \) \( -type f -name "*.trc" -mtime +10 \) | sed 's#^./##' | sed "s#^#${directory}/#" 2>/dev/null | tee -a /tmp/rm_list_trc.txt
find . \( ! -name . -prune \) \( -type f -name "*.trm" -mtime +10 \) | sed 's#^./##' | sed "s#^#${directory}/#" 2>/dev/null | tee -a /tmp/rm_list_trm.txt

I've now just found out that some of the files that I am removing are actually still in use. Is it possible to tell find to do a fuser / lsof check and not do the remove if the file is in user?

Examples of these files that I want to exclude for getting removed are as below:


Code:
$ date
Fri Sep  9 07:50:44 NZST 2016
$ pwd
/u01/app/oracle/admin/qual1/bdump
$ ps -ef | grep qual1 | grep lgw
oracle   29112     1  0 Sep08 ?        00:00:01 ora_lgwr_qual13
$ ls -altr *lgw*trc
-rw-rw---- 1 oracle oinstall 955 Sep  8 11:35 qual13_lgwr_15798.trc
-rw-rw---- 1 oracle oinstall 805 Sep  8 11:40 qual13_lgwr_29112.trc
$ ls -altr *lgw*trm
ls: *lgw*trm: No such file or directory
$ date
Fri Sep  9 07:51:14 NZST 2016
$ ps -ef | grep qual1 | grep ora_p
oracle   21816     1  0 07:47 ?        00:00:00 ora_pz99_qual13
oracle   21818     1  0 07:47 ?        00:00:00 ora_pz98_qual13
oracle   29039     1  0 Sep08 ?        00:00:01 ora_pmon_qual13
oracle   29047     1  0 Sep08 ?        00:00:00 ora_psp0_qual13
$ ls -altr qual1*p*trc
-rw-rw---- 1 oracle oinstall 1770402 Sep  8 11:24 qual13_pmon_26250.trc
-rw-rw---- 1 oracle oinstall     890 Sep  8 22:00 qual13_pz98_31759.trc
-rw-rw---- 1 oracle oinstall     892 Sep  8 22:00 qual13_pz97_31903.trc

$ ls -altr *lgwr*
-rw-rw---- 1 oracle oinstall 955 Sep  8 11:35 qual13_lgwr_15798.trc
-rw-rw---- 1 oracle oinstall 805 Sep  8 11:40 qual13_lgwr_29112.trc
$ ps -ef | grep lgwr | grep prrq
oracle   29112     1  0 Sep08 ?        00:00:01 ora_lgwr_qual13
$ fuser qual13_lgwr_29112.trc
qual13_lgwr_29112.trc: 29112
$ pwd
/u01/app/oracle/admin/qual1/bdump
$ lsof /u01/app/oracle/admin/qual1/bdump/qual13_lgwr_29112.trc
COMMAND   PID   USER   FD   TYPE DEVICE SIZE/OFF    NODE NAME
oracle  29112 oracle    2w   REG  253,3      805 8357085 /u01/app/oracle/admin/qual1/bdump/qual13_lgwr_29112.trc
$

While these files may not have been modified for awhile and meet the find criteria for removal based on -mtime, we need to keep them as sometimes Oracle requests for these files if we log a call with them.

Currently, in the while-loop that I am using to do the rm, I am now doing a lsof or fuser now as well before doing the rm? Perhaps someone know of any better way of doing this.

Thanks in advance.
 

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LEARN ABOUT OPENSOLARIS

hal-find-by-property

hal-find(1M)						  System Administration Commands					      hal-find(1M)

NAME

       hal-find, hal-find-by-capability, hal-find-by-property - search HAL global device list

SYNOPSIS

       hal-find-by-capability --capability capability [--help]
	[--verbose] [--version]

       hal-find-by-property  --key key --string value [--help]
	[--verbose] [--version]

DESCRIPTION

       The  hal-find  commands, hal-find-by-capability and hal-find-by-property, search the Hardware Abstraction Layer (HAL) device list by speci-
       fied criteria and displays results on the standard output. hal-find-by-capability searches by capability, such as  volume  or  block.  hal-
       find-by-property searches by property, such as block.is_volume or volume.disc.has_audio.

OPTIONS

       The following options are supported:

       --capability capability	  HAL device capability to search for.

       --help			  Display list of options.

       --key key		  The key to the property that is the basis of the search.

       --string value		  The string value associated with the property that is the basis of the search.

       --verbose		  Verbose mode.

       --version		  Display version and exit.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWhalr			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Volatile			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       hald(1M), attributes(5), hal(5)

SunOS 5.11							    22 Aug 2006 						      hal-find(1M)
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