in reply to Testing <>

The problem is that if there's no stdin and no command line args then the script just waits for input.

Just like cat, perl, sort, etc, etc, etc.

This is standard behaviour. Why does it matter to you? Both using -t and implementing a command line option that says there is no STDIN have their drawbacks.

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Re^2: Testing <>
by Anonymous Monk on Oct 04, 2011 at 08:31 UTC
    > Just like cat, perl, sort, etc, etc, etc.
    > This is standard behaviour.

    Yeah, I know and I don't like it.

    I still think, as I did 20 years ago when I first started using UNIX, that these sitting commands waiting for user input was pretty pointless.

    I've never felt the urge to type in 'sort' enter some values then excitedly hitting ^D to see the result.

[reply]

      I never manually type in stuff, but I often copy-and-paste stuff into a program like sort (or a Perl oneliner) to munge data. That would not be possible with your approach.

[reply]
[d/l]
        copy and paste? Ugh. Not in this life :-).

        As an aside; these utilites where written long before such new fangled functions were available.

[reply]

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