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Full Discussion: Beginner Question
Top Forums Shell Programming and Scripting Beginner Question Post 302515571 by DGPickett on Wednesday 20th of April 2011 12:10:43 PM
Old 04-20-2011
First, read man execvp and properly show the interpreter in a first line "#!path-to-interpreter".

You have the question in the loop, but nothing in the loop changes. 'read -t' expiring does not relate to 'else', the else clause is not needed. You can just put this bit first and continue in your if so the following code is unreachable for diag.
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LEARN ABOUT OPENDARWIN

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)
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