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Re: perl

by kilinrax (Deacon)
on Nov 10, 2000 at 00:01 UTC ( #40799=note: print w/ replies, xml ) Need Help??


in reply to perl

Assuming by 'empty' you mean 'containing only space characters':

open FILE, "file.txt"; my $count; while (<FILE>) { $count++ unless /\S+/; } close FILE; print $count;


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RE: Re: perl
by the_slycer (Chaplain) on Nov 10, 2000 at 08:36 UTC
    Just as a footnote, if you do not want to count lines that contain a tab or some other such whitespace, you can substitue /\S+/ with /^$/ in either this code or in Fastolife's below
RE: Re: perl
by Fastolfe (Vicar) on Nov 10, 2000 at 00:43 UTC
    This is the best solution I would use, though /\S/ is sufficient.

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