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Top Forums Shell Programming and Scripting How to capture C program return values in Kshell Post 302472256 by jclanc8 on Tuesday 16th of November 2010 04:26:18 PM
Old 11-16-2010
How to capture C program return values in Kshell

I have a K shell script (ksh) that needs to return an email address. A C program was written (prog1) to now access the email address off of an oracle table. The call to the program in the ksh is

prog1 -p parm1

Based on Parm1 the program will read an oracle table and retrieve the email address. Now I have this email address in a string variable in my program.

How do I get it back to the ksh???

1) I have seen examples where I could do returnvalue = `prog1 -p parm1` and my email address would be in returnvalue. This doesn't seem to be working because I get nothing back. In my C program I am doing a
return(returnString) at the end of my program to pass it back, and it does not seem to be working

2) I can write the email address out to a file, but I am not sure how to define a file ksh, and have the program access or write to it.

Any help and/or direction will be greatly appreciated.
Thanks.
 

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suspend(1)                                                         User Commands                                                        suspend(1)

NAME
suspend - shell built-in function to halt the current shell SYNOPSIS
sh suspend csh suspend ksh suspend DESCRIPTION
sh Stops the execution of the current shell (but not if it is the login shell). csh Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su. ksh Stops the execution of the current shell (but not if it is the login shell). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5) SunOS 5.10 15 Apr 1994 suspend(1)
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