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Full Discussion: Help Passing An Oracle parameter to a unix shell.
Top Forums UNIX for Dummies Questions & Answers Help Passing An Oracle parameter to a unix shell. Post 302374808 by Mark_Wright on Wednesday 25th of November 2009 01:42:53 PM
Old 11-25-2009
Help Passing An Oracle parameter to a unix shell.
I have an Oracle concurrent program that I'm passing a parameter to a unix shell script. An example value of the Oracle parameter is PO_TOP. The Oracle parameter represents the unix env var PO_TOP, meaning, on the unix side there is env var called PO_TOP (ex value: /oradev/apps/po/11.0.3/). My goal is to passed the Oracle parameter to the unix script and have it behave like the unix env var $PO_TOP.

Example of the code in the script.
ora_base_dir=$1
echo "ora_base_dir: "$ora_base_dir
cd $ora_base_dir

--
This fails with a directory does not exist
the echo displays "ora_base_dir: PO_TOP"

Here is some examples of the not so brilliant stuff that I have tried:
ora_base_dir=$$1
ora_base_dir=$\$1
ora_base_dir=${$1}

All failed.

Can you pass the name of a unix env variable to a unix shell script and then set a new unix var to the passed variable?

Note: I'm trying to avoid using
IF $1= 'PO_TOP' THEN
ora_base_dir=$PO_TOP
ELSIF $1 = 'FND_TOP' THEN
ora_base_dir=$FND_TOP.....etc

There are over 200 unix TOP variables.
 

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LEARN ABOUT MOJAVE

archive

ARCHIVE(8)						      System Manager's Manual							ARCHIVE(8)

NAME

       archive - Usenet article archiver

SYNOPSIS

       archive [ -a archive ] [ -f ] [ -i index ] [ -m ] [ -r ] [ input ]

DESCRIPTION

       Archive	makes  copies of files specified on its standard input.  It is normally run either as a channel feed under innd(8), or by a script
       before expire(8) is run.

       Archive reads the named input file, or standard input if no file is given.  The input is taken as a set of lines.  Blank  lines	and  lines
       starting  with  a  number sign (``#'') are ignored.  All other lines should specify the name of a file to archive.  If a filename is not an
       absolute pathname, it is taken to be relative to /var/spool/news.

       Files are copied to a directory within the archive directory, /var/spool/news/news.archive.  The default is to create a hierarchy that mim-
       ics  the input files; intermediate directories will be created as needed.  For example, the input file comp/sources/unix/2211 (article 2211
       in the newsgroup comp.sources.unix) will be copied to /var/spool/news/news.archive/comp/sources/unix/2211.

OPTIONS

       -a archive
	      If the ``-a'' flag is used then its argument specifies the directory to archive in instead of the default.

       -f     If the ``-f'' flag is used, then all directory names will be flattened out, replacing the slashes with periods.  In this	case,  the
	      file would be copied to /var/spool/news/news.archive/comp.sources.unix/2211.

       -i     If  the  ``-i''  flag  is used, then archive will append one line to the specified index file for each article that it copies.  This
	      line will contain the destination name and the Message-ID and Subject headers.

       -m     Files are copied by making a link.  If that fails a new file is created.	If the ``-m'' flag is used, then the file will	be  copied
	      to the destination, and the input file will be replaced with a symbolic link pointing to the new file.

       -r     By default, archive sets its standard error to /var/log/news/errlog.  To suppress this redirection, use the ``-r'' flag.

EXIT STATUS

       If  the input is exhausted, archive will exit with a zero status.  If an I/O error occures, it will try to spool its input, copying it to a
       file.  If there was no input filename, the standard input will be copied to /var/spool/news/out.going/archive and the  program  will  exit.
       If  an input filename was given, a temporary file named input.bch (if input is an absolute pathname) or /var/spool/news/out.going/input.bch
       (if the filename does not begin with a slash) is created.  Once the input is copied, archive will try to rename this temporary file  to	be
       the name of the input file, and then exit.

EXAMPLES

       A typical newsfeeds(5) entry to archive most source newsgroups is as follows:

	      source-archive
		   :!*,*sources*,!*wanted*,!*.d
		   :Tc,Wn
		   :/usr/lib/news/bin/archive -f -i 
		       /usr/spool/news/news.archive/INDEX

HISTORY

       Written by Rich $alz <rsalz@uunet.uu.net> for InterNetNews.  This is revision 1.14, dated 1996/10/29.

SEE ALSO

       newsfeeds(5).

																	ARCHIVE(8)
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