The inplace edit case uses the special filehandles ARGV (for input) and ARGVOUT (for output) these are document in perlvar

/J\

In reply to Re: how does print know what filehandle to use, when in a diamond in-place edit loop? by gellyfish
in thread how does print know what filehandle to use, when in a diamond in-place edit loop? by tphyahoo

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