03-19-2010
Hi:
Your code redirects stderr for the function to set.log2, so that's where all the trace output will be found. If the calling script is only reading stdout (from a pipe or coprocesses or fifo), you don't need that redirection.
Quote:
-x
The shell shall write to standard error a trace for each command after it expands the command and before it executes it. It is unspecified whether the command that turns tracing off is traced.
--
Shell Command Language
Regards,
Alister
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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)