I am using getopt::long so I could add another parameter, but sometimes I want 
to see the data before I save it to a file.

I think I am going to change lines that I want to output to the screen if I 
redirect STDOUT or not to:

# since STDERR filehandle is already open for us
print STDERR "blah";

Instead of using:

warn "blah";

Jonathan Otsuka

On Mar 7, 2012, at 1:06 PM, Brian Hann <[email protected]> wrote:

> If it's on the command line, you could use GetOpt::Long::Descriptive to set 
> an optional filename argument for both the normal output and report output 
> and then you wouldn't have to worry about wrangling output stream syntax when 
> running the command.
> 
> On Wed, Mar 7, 2012 at 1:02 PM, Jonathan Otsuka <[email protected]> wrote:
> I want the user to choose what to do with STDOUT and STDERR on CLI. 
> 
> Jonathan Otsuka
> 
> On Mar 7, 2012, at 12:48 PM, Richard Allen <[email protected]> wrote:
> 
>> You could pipe stderr in the shell seperatelyfrom stdout, but you can also 
>> redirect it in perl
>> 
>> http://www.cs.cmu.edu/afs/cs/usr/rgs/mosaic/pl-exp-io.html
>> 
>> The second codesnippet under open has an example
>> 
>> On Mar 7, 2012 12:41 PM, "Jonathan Otsuka" <[email protected]> wrote:
>> I have a program that process/format a file then prints to STDOUT which I 
>> may want to save/redirect to a file. I also create a report of the data that 
>> was processed, but I don't want the report output sent to STDOUT and was 
>> thinking of using warn since its output is to STDERR. Is there another way 
>> or is this the best way?
>> 
>> Jonathan Otsuka
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