in reply to Re^5: uninitialized value $_
in thread uninitialized value $_

... but not documented under while, but in perlop under "I/O-Operators" (where the internal link anchor seems not to work)

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Re^7: uninitialized value $_
by LanX (Saint) on Mar 29, 2016 at 12:02 UTC
    I've already updated an excerpt of the documentation in perlsyn, but yes perlop is indeed clearer, thanks!

    Cheers Rolf
    (addicted to the Perl Programming Language and ☆☆☆☆ :)
    Je suis Charlie!

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