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Perl: the Markov chain saw

Re: get UTF-8 character codes

by theorbtwo (Prior)
on Oct 31, 2005 at 16:21 UTC ( #504319=note: print w/replies, xml ) Need Help??

in reply to get UTF-8 character codes

Try running perl -i.bak -pe '42'.

The implicit loop of -p reads from the same place <> does -- which is ARGV, not STDIN.


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Re^2: get UTF-8 character codes
by Skeeve (Vicar) on Oct 31, 2005 at 19:09 UTC

    What I understand now is that binmode STDOUT STDIN doesn't help.

    What I still don't get is: What does help.

    I'm still lost...

    Update: Thanks to Errto for correcting me. OTOH: I did that, replacing STDIN by ARGV. It didn't help.

    But it seems, my expectations were wrong. My first Update above seemed to have worked. I'm still investigating...

      It's STDIN that's causing the problem, not STDOUT. You need to be working on ARGV instead instead of STDIN. Or, an easier way of dealing with it is, especially since this is a one-liner anyway, just add the following before -e:
      See open for more.

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Node Type: note [id://504319]
[Corion]: At least if you're appending the data read to a larger buffer, this means you avoid the situation of "a delimiter was found but the other half has not been read yet"
choroba misses the context
[Corion]: choroba: Optimizing how Perl reads source code on startup (and then processes it line-by-line)
[Corion]: But in general, it seems to be an interesting approach I should think about - whenever I'm searching for something, to consider if I could search for the end of the token instead of the start of the token

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