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Full Discussion: Calling sqlplus from Korn shell heredoc issue
Top Forums Shell Programming and Scripting Calling sqlplus from Korn shell heredoc issue Post 302884617 by Navin_Ramdhami on Tuesday 21st of January 2014 06:15:59 AM
Old 01-21-2014
Calling sqlplus from Korn shell heredoc issue
Hi,
I am facing an issue wherein some temporary files (here docs) are getting created in /tmp and are not getting deleted automatically.
When i check the list of open files with below command i can see one file is getting appended continuously.(In this case /tmp/sfe7h.34p)
The output is something like below:
Code:
bash-3.2$ /usr/sbin/lsof | grep '/tmp' | grep '(deleted)'
sh_test 13107     test    0u      REG    8,3      224   1782884 /tmp/sfe7h.34p (deleted)
sh_test 13107     test    1u      REG    8,3        0   1782887 /tmp/sffak.tri (deleted)

Due to this the /tmp mount point is getting full causing trouble to application.
Following is the pseudo script which runs continuously monitoring status of application and then performs some tasks.
Code:
#!/bin/ksh
get_app_status(){
result=`sqlplus -s user/password@servicename <<EOF
whenever sqlerror exit sql.sqlcode
set escape off
set head off
set verify off
set feedback off
select param_value from status where param_name='app_status'
EOF
`
echo $result
}

while [ `get_app_status` = 'Started' ]; do
#Some logic here
done

The issue won't occur if we remove the first line shell interpreter(#!/bin/ksh) or we call the get_app_status once or twice and not in loop.
Korn shell version is:
version sh (AT&T Research) 93s+ 2008-01-31
Any help in understanding the cause is deeply Appreciated.

Thanks,
Navin
 

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LEARN ABOUT OSF1

dh_movefiles

DH_MOVEFILES(1) 						     Debhelper							   DH_MOVEFILES(1)

NAME

       dh_movefiles - move files out of debian/tmp into subpackages

SYNOPSIS

       dh_movefiles [debhelperoptions] [--sourcedir=dir] [-Xitem] [file...]

DESCRIPTION

       dh_movefiles is a debhelper program that is responsible for moving files out of debian/tmp or some other directory and into other package
       build directories. This may be useful if your package has a Makefile that installs everything into debian/tmp, and you need to break that
       up into subpackages.

       Note: dh_install is a much better program, and you are recommended to use it instead of dh_movefiles.

FILES

       debian/package.files
	   Lists the files to be moved into a package, separated by whitespace. The filenames listed should be relative to debian/tmp/. You can
	   also list directory names, and the whole directory will be moved.

OPTIONS

       --sourcedir=dir
	   Instead of moving files out of debian/tmp (the default), this option makes it move files out of some other directory. Since the entire
	   contents of the sourcedir is moved, specifying something like --sourcedir=/ is very unsafe, so to prevent mistakes, the sourcedir must
	   be a relative filename; it cannot begin with a `/'.

       -Xitem, --exclude=item
	   Exclude files that contain item anywhere in their filename from being installed.

       file ...
	   Lists files to move. The filenames listed should be relative to debian/tmp/. You can also list directory names, and the whole directory
	   will be moved. It is an error to list files here unless you use -p, -i, or -a to tell dh_movefiles which subpackage to put them in.

NOTES

       Note that files are always moved out of debian/tmp by default (even if you have instructed debhelper to use a compatibility level higher
       than one, which does not otherwise use debian/tmp for anything at all). The idea behind this is that the package that is being built can be
       told to install into debian/tmp, and then files can be moved by dh_movefiles from that directory. Any files or directories that remain are
       ignored, and get deleted by dh_clean later.

SEE ALSO

       debhelper(7)

       This program is a part of debhelper.

AUTHOR

       Joey Hess <joeyh@debian.org>

11.1.6ubuntu2							    2018-05-10							   DH_MOVEFILES(1)
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