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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LEARN ABOUT X11R4
suspend
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)