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Re: Internally, how do for() and while() differ?

by BrowserUk (Patriarch)
on Oct 27, 2015 at 00:04 UTC ( [id://1146042]=note: print w/replies, xml ) Need Help??


in reply to Internally, how do for() and while() differ?

Do they really?

No.

  1. The former places the readline in a list context, slurps the whole file and then processes that list in the loop, one line at a time.
  2. The latter places the readline in a scalar context, reads one line at a time and then prints it before looping back to read the next line.
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  • Comment on Re: Internally, how do for() and while() differ?

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Re^2: Internally, how do for() and while() differ?
by stevieb (Canon) on Oct 27, 2015 at 13:31 UTC

    Thank you. That had slipped my mind. It makes total sense.

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