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Full Discussion: Full path of executing script in ksh?
Top Forums Shell Programming and Scripting Full path of executing script in ksh? Post 83639 by BriceBu on Friday 16th of September 2005 02:54:27 PM
Old 09-16-2005
Question Full path of executing script in ksh?
Hello all,

Here's the scenario:

I've got a script, let's call it script1. This script invokes another script, which we'll call set_env, via the dot "." command, like so:

File: [script1]
#!/bin/ksh
#
region_id=DEV
. set_env ${region_id}
and so on. Script set_env sets up an execution environment for the remainder of script1 according to the value of the parameter (region_id) passed.

My question/problem is:

Let us assume that set_env resides in the same directory as script1. How can I ensure that set_env will be found by the shell, when the containing directory is not in the PATH, and is not the PWD at the time script1 was invoked? In other words, how can script1 tell the shell to look for set_env in whatever directory script1 happens to reside?

I understand that ${_} is supposed to return the full pathname of the script being executed, but when I try to use that in script1, it fails to return anything meaningful.

Any hints will be very much appreciated. Thanks!
 

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SYNOPSIS

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       If JavaScript files are specified on the command line, the shell will run non-interactively, running each one in sequence and then exiting.

EXAMPLES

       mongo  start the shell, connecting to the server at localhost:27017 and using the test database

       mongo foo
	      start the shell using the foo database at localhost:27017

       mongo 192.169.0.5/foo
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       mongo 192.169.0.5:9999/foo
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       mongo script1.js script2.js script3.js
	      run three scripts and exit

OPTIONS

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       --help show usage information

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       --port PORT
	      port to connect to (default PORT=27017)

       --nodb do not connect to mongod

       --eval SCRIPT
	      evaluate JavaScript

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AUTHOR

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