Ruby pipe with arguments error

ruby-talk
1

i am newbie of ruby , but i met a strange problem
when use

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#echo hello |ruby -ve 'puts ARGF.readlines'
ruby 1.8.3 (2005-09-21) [i686-linux]
hello
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it's ok

but when i append a argument with pipe
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# echo hello |ruby -ve 'puts ARGF.readlines' somearg
ruby 1.8.3 (2005-09-21) [i686-linux]
-e:1:in `readlines': No such file or directory - somearg
(Errno::ENOENT)
        from -e:1
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why ruby say 'no such file or diectory'? can anyboby explain it?

thanks

2

Hi,

At Thu, 8 Dec 2005 13:17:35 +0900,
cap wrote in [ruby-talk:169506]:

why ruby say 'no such file or diectory'? can anyboby explain it?

ARGF doesn't equal STDIN.

Quotation from the document:
* The global constant ARGF (also accessible as $<) provides an
* IO-like stream which allows access to all files mentioned on the
* command line (or STDIN if no files are mentioned).

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--
Nobu Nakada