Re: basic bash help

And you are correct, setting '.' in the path doesn't return '.' as the 
directory name.  I said that with the untested assumption that it would.  I 
won't do that again.  :)

Calling the script in this manner does return '.' as the directory name:

./<scriptname>


$ envtest.sh
/export/home/dfitzjarrell-admin/bin is the script dir.

$  ./envtest.sh
. is the script dir.
 
David Fitzjarrell





________________________________
From: "Stephens, Chris" <Chris.Stephens_at_adm.com>
To: David Fitzjarrell <oratune_at_yahoo.com>
Sent: Fri, May 27, 2011 12:00:24 PM
Subject: RE: basic bash help


Thanks, but I don’t think that’s it:
 
[root_at_050orareddb vmware]# cat kill_vm.sh
#!/bin/sh
 
export ORAENV_ASK=NO
export ORACLE_SID=yyyyy
 
export SCRIPT=`basename $0`
export SCRIPT_DIR=`dirname $0`
 
echo "${SCRIPT_DIR} is the script dir."
# Re-invoke this script as oracle if invoked as root
CUSER=`id |cut -d"(" -f2 | cut -d ")" -f1`
if [ "$CUSER" = "root" ]
then
        su - oracle -c "${SCRIPT_DIR}/${SCRIPT}"
        exit $?
fi
 
<rest of script>
 
 
[root_at_xxxxxxx ]#./kill_vm.sh
. is the script dir.
PATH: 
/bin:/jdk/jre/lib/i386/server:/rdbms/lib:/lib:/usr/lib:/usr/X11R6/lib:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/sbin:/usr/sbin:/root/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin:/home/oracle/bin:/u01/app/oracle/product/11.2.0/dbhome_1/bin

-bash: ./kill_vm.sh: No such file or directory
[root_at_xxxxxxx ]#
 
From:David Fitzjarrell [mailto:oratune_at_yahoo.com] 
Sent: Friday, May 27, 2011 1:52 PM
To: Stephens, Chris; oracle-l_at_freelists.org
Subject: Re: basic bash help
 
Check the path for '.' as that allows running scripts/programs from the current 
directory, which is where you are when you run  the script.  If you remove that 
entry from the path then the 'proper' directory name should appear.
 
David Fitzjarrell
 
 
 

________________________________

From:"Stephens, Chris" <Chris.Stephens_at_adm.com>
To: "'oracle-l_at_freelists.org' (oracle-l_at_freelists.org)" <oracle-l_at_freelists.org>
Sent: Fri, May 27, 2011 11:42:28 AM
Subject: basic bash help
I’m writing a script to allow the sysadmin’s to kill any active sessions for a 
particular database user.  

 
If the script is called as root, I re-invoke it as oracle.  However, ‘dirname’ 
doesn’t seem to be working as expect and I have no idea why or how to get around 
it.  A little bit of googl’ing didn’t help either so I turn to old faithful. J
 
#!/bin/sh
 
export ORAENV_ASK=NO
export ORACLE_SID=xxxxxxx
 
export SCRIPT=`basename $0`
export SCRIPT_DIR=`dirname $0`
 
echo "${SCRIPT_DIR} is the script dir."
# Re-invoke this script as oracle if invoked as root
CUSER=`id |cut -d"(" -f2 | cut -d ")" -f1`
if [ "$CUSER" = "root" ]
then
        su - oracle -c "${SCRIPT_DIR}/${SCRIPT}"
        exit $?
fi
 
<rest of script>
 
The script output is:
 
  “. is the script dir.”
 
The script is located in /home/oracle/scripts/sql/topsecret
 
Anybody know what the deal is?
 
I’m guessing it has something to do with sub-shells or something but I don’t 
know how to work around it.  I guess I can always hardcode the path but I would 
prefer not to.
 
Thanks for any help!
 
chris
 

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