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Full Discussion: Space in PATH variable
Top Forums UNIX for Beginners Questions & Answers Space in PATH variable Post 303000110 by rbatte1 on Tuesday 4th of July 2017 11:45:48 AM
Old 07-04-2017
Not ignoring what Don has said (because that is very important), would you not be better using the IFS variable? The Input Field Separator (I think) is a way to chop up input in a more meaningful way to you, so you could perhaps:-
Code:
IFS=: read SID ORACLE_HOME YorN < <(grep -E "^SGCD:" /etc/oratab)

This should work in bash, but sadly I don't have a true ksh any more. The IFS setting as a colon : means that the output from the grep will be split up and you can read them into three variables, so you get the SID, the ORACLE_HOME that you really want and the Y or N value for it being auto-started. The variables you read are positional and the last variable gets everything to the end of the line, so if you miss out the YorN one, then $ORACLE_HOME
will be /export/home/oracle/app/oracle/product/12.1.0/dbhome_2:N which I assume you do not want.

In ksh, you might have to do this instead (untested) to get a similar result:-
Code:
grep -E "^SGCD:" /etc/oratab | read SID ORACLE_HOME YorN



I hope that this helps,
Robin
 

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LEARN ABOUT DEBIAN

avc_compute_create

avc_compute_create(3)					     SELinux API documentation					     avc_compute_create(3)

NAME

       avc_compute_create, avc_compute_member - obtain SELinux label for new object.

SYNOPSIS

       #include <selinux/selinux.h>

       #include <selinux/avc.h>

       int avc_compute_create(security_id_t ssid, security_id_t tsid,
			      security_class_t tclass, security_id_t *newsid);

       int avc_compute_member(security_id_t ssid, security_id_t tsid,
			      security_class_t tclass, security_id_t *newsid);

DESCRIPTION

       avc_compute_create is used to compute a SID to use for labeling a new object in a particular class based on a SID pair.	This call is iden-
       tical to security_compute_create, but does not require converting from userspace SID's to contexts and back again.

       avc_compute_member is used to compute a SID to use for labeling a polyinstantiated object instance of a particular class  based	on  a  SID
       pair.  This call is identical to security_compute_member, but does not require converting from userspace SID's to contexts and back again.

       These functions return a SID for the computed context in the memory referenced by sid.

RETURN VALUE

       On success, zero is returned.  On error, -1 is returned and errno is set appropriately.

ERRORS

       EINVAL The tclass and/or the security contexts referenced by ssid and tsid are not recognized by the currently loaded policy.

       ENOMEM An attempt to allocate memory failed.

AUTHOR

       Eamon Walsh <ewalsh@tycho.nsa.gov>

SEE ALSO

       avc_init(3), avc_context_to_sid(3), security_compute_create(3), selinux(8)

								    30 Mar 2007 					     avc_compute_create(3)
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