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Full Discussion: redirecting std error
Top Forums Shell Programming and Scripting redirecting std error Post 302225596 by consult4life on Friday 15th of August 2008 10:21:30 PM
Old 08-15-2008
Use parens to capture output from time to file

>cat a.sh
echo Hello, this is a.sh running
echo Here is a.sh writing to stderr >&2

>a.sh
Hello, this is a.sh running
Here is a.sh writing to stderr

>a.sh 2>err
Hello, this is a.sh running

>a.sh >out
Here is a.sh writing to stderr

>(time a.sh) 2>err
Hello, this is a.sh running

>cat err
Here is a.sh writing to stderr

real 0m0.021s
user 0m0.000s
sys 0m0.000s
 

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shell(1F)							   FMLI Commands							 shell(1F)

NAME
shell - run a command using shell SYNOPSIS
shell command [command] ... DESCRIPTION
The shell function concatenate its arguments, separating each by a space, and passes this string to the shell ($SHELL if set, otherwise /usr/bin/sh). EXAMPLES
Example 1: A sample output of shell command. Since the Form and Menu Language does not directly support background processing, the shell function can be used instead. `shell "build prog > /dev/null &"` If you want the user to continue to be able to interact with the application while the background job is running, the output of an exe- cutable run by shell in the background must be redirected: to a file if you want to save the output, or to /dev/null if you don't want to save it (or if there is no output), otherwise your application may appear to be hung until the background job finishes processing. shell can also be used to execute a command that has the same name as an FMLI built-in function. NOTES
The arguments to shell will be concatenate using spaces, which may or may not do what is expected. The variables set in local environments will not be expanded by the shell because "local" means "local to the current process." ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), attributes(5) SunOS 5.10 5 Jul 1990 shell(1F)
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