But something wierd happens with the 0x0a

Well, <...>, aka readline, by definition reads up to the next input record separator, which by default is a newline, i.e. \n or 0x0a.

You could change $/ ...

In reply to Re: read through \x0a in data piped via STDIN by Anonyrnous Monk
in thread read through \x0a in data piped via STDIN by How09

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