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Full Discussion: Control not returning to UNIX when sqlplus is executed in while loop of shell script
Top Forums UNIX for Beginners Questions & Answers Control not returning to UNIX when sqlplus is executed in while loop of shell script Post 303045806 by jim mcnamara on Monday 13th of April 2020 09:20:07 PM
Old 04-13-2020
You need code tags, your post is hard to read Smilie

Start with only the sql, run it from the sqlplus prompt.
Next wrap JUST the sql that ran above in a shell wrapper. Execute it. Use the parameter associated with the problem.

One thing I've seen that causes hangs is the sqlplus gets what it thinks is garbage, usually caused by trying to quote or escape something so the shell will not wreck it, and passing it through the shell script to sqlplus. sqlpus hangs because it is waiting for more input, like to complete the quote for example.

As a first guess consider this is your problem, especially since it is intermittent. Intermittent == parameter problems

It a is a wait on stdin for sqlplus, I believe.
 

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LEARN ABOUT CENTOS

platform::shell

platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME

       platform::shell - System identification support code and utilities

SYNOPSIS

       package require platform::shell ?1.1.4?

       platform::shell::generic shell
       platform::shell::identify shell
       platform::shell::platform shell
_________________________________________________________________

DESCRIPTION

       The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.

       This  package  allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
       requirement is that the other shell (identified by its path), is actually executable on the current machine.

       While for most platform this means that the architecture of the interrogated shell is identical to the architecture of  the  running  shell
       this  is  not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
       32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.

       For applications like a code repository it is important to identify the architecture of the shell which will  actually  run  the  installed
       packages, versus the architecture of the shell running the repository software.

COMMANDS

       platform::shell::identify shell
	      This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::generic shell
	      This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::platform shell
	      This command returns the contents of tcl_platform(platform) for the specified Tcl shell.

KEYWORDS

       operating system, cpu architecture, platform, architecture

platform::shell 						       1.1.4							platform::shell(n)
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