> Could someone help me please?
> 
> I am trying to write a simple script that will take input 
> from the command line as well as input from a pipe.
> 
> For example, the script should be able to do both of the following:
> 
> $ cat someFile | myPerlScript.pl     # from a pipe
> 
> and
> 
> $ myPerlScript.pl someFile           # from command line
> 
> This is what I have (very simple):
> 
> #----------------------- (begin) --------------------#
> #-- myScript.pl --#
> #
> #!/bin/perl
> use warnings;
> 
> sub parseFile()
> {
>    while (<>) {         ## I tried passing in \*STDIN or \*F but
>                         ##  had nothing but problems with that
> 
>         # do some processing to the file
>         #  ...
>         print ". ";     ## just to do something in the loop for now
>     }
> }
> 
> if (@ARGV) {
>     $file = shift;
>     open(F, "< $file") or die "cannot open file $file: $!\n";
>     parseFile;

You need to give parseFile() something to parse, 

Perhaps
open(F, ....);
parseFile(*F); 
close(F);
Here and
parseFile(*STDIN); 
Then in parseFile() just do your while() on the FH passed to it.
That I'm not 100% how to do.

Also 
use strict;

That will help tracj down probs.

HTH

DMuey

>     close(F);
> }
> else {
>     parseFile;
> }
> #----------------------- (end) --------------------#

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