From: [EMAIL PROTECTED]
> As I understand it, <> operator will open all items in @ARGV allowing
> one to do a shell command line of
>
> perl.script file1 file2 file3
>
> and inside perl.script you only need
>
> while (<>) { ... syntax to read all the files on the command line.
>
>
> <> will also open STDIN if the perl script is invoked from a pipe,
> such as
>
> ls | perl.script
>
> So, 1. from within perl.script, how can one tell if the input stream
> is coming from STDIN or a file that was opened by <>?
>
> 2. If input stream is not coming from STDIN, but a file, how can one
> tell which file is the current file (assuming multiple files were
> specified on the command line)?
>From perldoc perlvar:
$ARGV contains the name of the current file when reading from
<>.
HTH, Jenda
===== [EMAIL PROTECTED] === http://Jenda.Krynicky.cz =====
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